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Document and Entity Information - USD ($) $ in Millions	12 Months Ended
Document and Entity Information - USD ($) $ in Millions	Mar. 29, 2020	May 15, 2020	Sep. 29, 2019
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Mar. 29, 2020
Document Transition Report	false
Entity File Number	0-7647
Entity Registrant Name	HAWKINS, INC.
Entity Incorporation, State or Country Code	MN
Entity Tax Identification Number	41-0771293
Entity Address, Address Line One	2381 Rosegate
Entity Address, City or Town	Roseville
Entity Address, State or Province	MN
Entity Address, Postal Zip Code	55113
City Area Code	612
Local Phone Number	331-6910
Title of 12(b) Security	Common Stock, par value $.05 per share
Trading Symbol	HWKN
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Audited Annual Financial Statements	true
Entity Shell Company	false
Entity Public Float			$ 405.0
Entity Common Stock, Shares Outstanding		10,593,095
Entity Central Index Key	0000046250
Amendment Flag	false
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	--03-29

Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 29, 2020	Mar. 31, 2019
CURRENT ASSETS:
Cash and cash equivalents	$ 4,277	$ 9,199
Trade receivables less allowance for doubtful accounts of $784 for 2020 and $620 for 2019	67,391	63,966
Inventories	54,436	60,482
Income taxes receivable	0	527
Prepaid expenses and other current assets	4,927	5,235
Total current assets	131,031	139,409
PROPERTY, PLANT, AND EQUIPMENT:
Land	11,045	9,140
Buildings and improvements	108,175	96,389
Machinery and equipment	98,171	93,153
Transportation equipment	32,737	29,744
Office furniture and equipment	17,093	16,435
Property, plant and equipment, gross	267,221	244,861
Less accumulated depreciation	140,877	126,233
Net property, plant, and equipment	126,344	118,628
OTHER ASSETS:
Right-of-use assets	9,090	0
Goodwill	58,440	58,440
Intangible assets, net	60,653	65,726
Other	3,770	3,396
Total other assets	131,953	127,562
Total assets	389,328	385,599
CURRENT LIABILITIES:
Accounts payable — trade	34,129	29,314
Accrued payroll and employee benefits	13,538	12,483
Current portion of long-term debt	9,907	9,907
Income tax payable	59	0
Short-term lease liability	1,523	0
Container deposits	1,376	1,299
Other current liabilities	1,688	2,393
Total current liabilities	62,220	55,396
LONG-TERM DEBT, LESS CURRENT PORTION	49,751	74,658
LONG-TERM LEASE LIABILITY	7,649	0
PENSION WITHDRAWAL LIABILITY	4,978	5,316
OTHER LONG-TERM LIABILITIES	6,140	5,695
DEFERRED INCOME TAXES	25,106	26,673
Total liabilities	155,844	167,738
Commitments and Contingencies	0	0
SHAREHOLDERS’ EQUITY:
Common stock; authorized: 30,000,000 shares of $0.05 par value; 10,512,229 and 10,592,450 shares issued and outstanding for 2020 and 2019, respectively	526	530
Additional paid-in capital	50,090	52,609
Retained earnings	182,947	164,405
Accumulated other comprehensive income	(79)	317
Total shareholders’ equity	233,484	217,861
Total liabilities and shareholders’ equity	$ 389,328	$ 385,599

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 29, 2020	Mar. 31, 2019
Statement of Financial Position [Abstract]
Allowance for doubtful accounts receivable	$ 784	$ 620
Common stock, shares authorized (shares)	30,000,000	30,000,000
Common stock, par value (usd per share)	$ 0.05	$ 0.05
Common stock, shares issued (shares)	10,512,229	10,592,450
Common stock, shares outstanding (shares)	10,512,229	10,592,450

Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	12 Months Ended
	Mar. 29, 2020	Mar. 31, 2019	Apr. 01, 2018
Sales	$ 540,198	$ 556,326	$ 504,169
Cost of sales	(439,281)	(460,390)	(417,409)
Gross profit	100,917	95,936	86,760
Selling, general and administrative expenses	(59,246)	(59,118)	(59,403)
Goodwill Impairment	0	0	(39,116)
Operating income (loss)	41,671	36,818	(11,759)
Interest expense, net	(2,511)	(3,361)	(3,408)
Other (expense) income	(204)	73	91
Income (loss) before income taxes	38,956	33,530	(15,076)
Income tax (expense) benefit	(10,589)	(9,097)	5,899
Net income (loss)	$ 28,367	$ 24,433	$ (9,177)
Weighted average number of shares outstanding-basic	10,579,989	10,654,887	10,607,422
Weighted average number of shares outstanding-diluted	10,654,400	10,726,176	10,643,719
Earnings Per Share
Basic earnings (loss) per share	$ 2.68	$ 2.29	$ (0.87)
Diluted earnings per share
Diluted earnings (loss) per share	2.66	2.28	(0.86)
Cash dividends declared per common share	$ 0.9225	$ 0.68	$ 0.88

Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	12 Months Ended
	Mar. 29, 2020	Mar. 31, 2019	Apr. 01, 2018
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 28,367	$ 24,433	$ (9,177)
Unrealized (loss) gain on interest rate swap	(396)	(280)	296
Unrealized gain on post-retirement liability	0	1	2
Total other comprehensive (loss) income	(396)	(279)	298
Total comprehensive income (loss)	$ 27,971	$ 24,154	$ (8,879)

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References + Details

Consolidated Statements of Shareholders' Equity and Comprehensive Income (Loss) Statement - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Shares outstanding, beginning balance at Apr. 02, 2017		10,582,596
Stockholders' equity, beginning balance at Apr. 02, 2017	$ 217,828	$ 529	$ 51,104	$ 165,897	$ 298
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared	(9,400)			(9,400)
Share-based compensation expense	1,371		1,371
Vesting of restricted stock (shares)		8,092
Vesting of restricted stock	0	$ 1	(1)
ESPP shares issued (shares)		41,304
ESPP shares issued	1,405	$ 2	1,403
Shares repurchased (Shares)		0
Shares repurchased	0
Other comprehensive income, net of tax	220			(78)	298
Net income (loss)	(9,177)			(9,177)
Shares outstanding, ending balance at Apr. 01, 2018		10,631,992
Stockholders' equity, ending balance at Apr. 01, 2018	202,247	$ 532	53,877	147,242	596
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared	(7,270)			(7,270)
Share-based compensation expense	2,010		2,010
Vesting of restricted stock (shares)		33,051
Vesting of restricted stock	0	$ 2	(2)
Shares surrendered for payroll taxes (shares)		(8,105)
Shares surrendered for payroll taxes	(266)	$ (1)	(265)
ESPP shares issued (shares)		43,678
ESPP shares issued	1,338	$ 2	1,336
Shares repurchased (Shares)		(108,166)
Shares repurchased	(4,352)	$ (5)	(4,347)
Other comprehensive income, net of tax	(279)				(279)
Net income (loss)	24,433			24,433
Shares outstanding, ending balance at Mar. 31, 2019		10,592,450
Stockholders' equity, ending balance at Mar. 31, 2019	217,861	$ 530	52,609	164,405	317
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared	(9,825)			(9,825)
Share-based compensation expense	2,273		2,273
Vesting of restricted stock (shares)		35,972
Vesting of restricted stock	0	$ 1	(1)
Shares surrendered for payroll taxes (shares)		(9,160)
Shares surrendered for payroll taxes	(343)	$ (1)	(342)
ESPP shares issued (shares)		38,550
ESPP shares issued	1,400	$ 2	1,398
Shares repurchased (Shares)		(145,583)
Shares repurchased	(5,853)	$ (6)	(5,847)
Other comprehensive income, net of tax	(396)				(396)
Net income (loss)	28,367			28,367
Shares outstanding, ending balance at Mar. 29, 2020		10,512,229
Stockholders' equity, ending balance at Mar. 29, 2020	$ 233,484	$ 526	$ 50,090	$ 182,947	$ (79)

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	12 Months Ended
	Mar. 29, 2020	Mar. 31, 2019	Apr. 01, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 28,367	$ 24,433	$ (9,177)
Reconciliation to cash flows:
Depreciation and amortization	21,584	21,756	22,390
Operating leases	2,033	0	0
Amortization of debt issuance costs	93	122	136
Loss (gain) on deferred compensation assets	233	(73)	(92)
Goodwill Impairment	0	0	39,116
Deferred income taxes	(1,421)	(607)	(14,757)
Stock compensation expense	2,273	2,010	1,371
Loss (gain) from property disposals	563	415	(46)
Changes in operating accounts (using) providing cash:
Trade receivables	(3,387)	(487)	(6,164)
Inventories	6,045	(746)	(8,487)
Accounts payable	4,228	(4,137)	4,157
Accrued liabilities	663	4,752	1,674
Lease liabilities	2,025	0	0
Income taxes	586	2,116	(1,711)
Other	(933)	(1,564)	(1,061)
Net cash provided by operating activities	58,902	47,990	27,349
CASH FLOWS FROM INVESTING ACTIVITIES:
Additions to property, plant, and equipment	(24,549)	(12,618)	(19,703)
Proceeds from property disposals	346	275	364
Net cash used in investing activities	(24,203)	(12,343)	(19,339)
CASH FLOWS FROM FINANCING ACTIVITIES:
Cash dividends paid	(9,825)	(11,975)	(9,161)
New shares issued	1,400	1,338	1,405
Shares surrendered for payroll taxes	(343)	(266)	0
Shares repurchased	(5,853)	(4,352)	0
Payments for debt issuance costs	0	(183)	0
Payments on senior secured term loan	0	(85,000)	(8,125)
Payments on senior secured revolving credit facility	(44,000)	(24,000)	(21,000)
Proceeds from revolver borrowings	19,000	93,000	27,000
Net cash used in financing activities	(39,621)	(31,438)	(9,881)
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(4,922)	4,209	(1,871)
CASH AND CASH EQUIVALENTS - beginning of year	9,199	4,990	6,861
CASH AND CASH EQUIVALENTS - end of year	4,277	9,199	4,990
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION-
Cash paid during the year for income taxes	11,415	7,589	10,232
Cash paid for interest	2,413	3,160	3,025
Noncash investing activities - Capital expenditures in accounts payable	$ 1,041	$ 495	$ 468

Nature of Business and Significant Accounting Policies

12 Months Ended

Mar. 29, 2020

Accounting Policies [Abstract]

Nature of Business and Significant Accounting Policies

Nature of Business - We have three reportable segments: Industrial, Water Treatment and Health and Nutrition. The Industrial Group specializes in providing industrial chemicals, products and services to industries such as agriculture, chemical processing, electronics, energy, food, pharmaceutical and plating. This group also manufactures and sells certain food-grade products, including liquid phosphates, lactates and other blended products. The Water Treatment Group specializes in providing chemicals, equipment and solutions for potable water, municipal and industrial wastewater, industrial process water and non-residential swimming pool water. This group has the resources and flexibility to treat systems ranging in size from a single small well to a multi-million-gallon-per-day facility. Our Health and Nutrition Group specializes in providing ingredient distribution, processing and formulation solutions to manufacturers of nutraceutical, functional food and beverage, personal care, dietary supplement and other nutritional food, health and wellness products. This group offers a diverse product portfolio including minerals, botanicals and herbs, vitamins and amino acids, excipients, joint products, sweeteners and enzymes.

Fiscal Year - Our fiscal year is a 52 or 53-week year ending on the Sunday closest to March 31. Our fiscal years ended March 29, 2020 (“fiscal 2020”), March 31, 2019 (“fiscal 2019”) and April 1, 2018 (“fiscal 2018”) were 52 weeks. The fiscal year ending March 28, 2021 (“fiscal 2021”) will also be 52 weeks.

Principles of Consolidation - The consolidated financial statements include the accounts of Hawkins, Inc. and its wholly-owned subsidiaries. All intercompany transactions and accounts have been eliminated.

Estimates - The preparation of financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, particularly receivables, inventories, property, plant and equipment, right-of-use assets, goodwill, intangibles, accrued expenses, short-term and long-term lease liability, income taxes and related accounts and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.

Revenue Recognition - Revenue is measured as the amount of consideration we expect to receive in exchange for transferring products. Revenue is recognized when we satisfy our performance obligations under the contract. We recognize revenue upon transfer of control of the promised products to the customer, with revenue recognized at the point in time the customer obtains control of the products. Net sales include products and shipping charges, net of estimates for product returns and any related sales rebates. We estimate product returns based on historical return rates. Using probability assessments, we estimate sales rebates expected to be paid over the term of the contract. The majority of our contracts have a single performance obligation and are short term in nature. Sales taxes that are collected from customers and remitted to governmental authorities are accounted for on a net basis and therefore are excluded from net sales. We offer certain customers cash discounts and volume rebates as sales incentives. The discounts and volume rebates are recorded as a reduction in sales at the time revenue is recognized in an amount estimated based on historical experience and contractual obligations.

Shipping and Handling - All shipping and handling amounts billed to customers are included in revenues. Costs incurred related to the shipping and the handling of products are included in cost of sales.

Fair Value Measurements - The financial assets and liabilities that are re-measured and reported at fair value for each reporting period are an interest rate swap and marketable securities. There are no fair value measurements with respect to nonfinancial assets or liabilities that are recognized or disclosed at fair value in our consolidated financial statements on a recurring basis.

Assets and liabilities measured at fair value are classified using the following hierarchy, which is based upon the transparency of inputs to the valuation as of the measurement date:

Level 1: Valuation is based on quoted prices in active markets for identical assets or liabilities.

Level 2: Valuation is based on quoted prices in active markets for similar assets or liabilities, or quoted prices for identical or similar assets or liabilities in markets that are not active, or inputs other than quoted prices that are observable or can be corroborated by observable market data for the asset or liability.

Level 3: Valuation is based upon unobservable inputs for the asset or liability that are supported by little or no market activity. These fair values are determined using pricing models for which the assumptions utilize management’s estimates or market participant assumptions.

In making fair value measurements, observable market data must be used when available. When inputs used to measure fair value fall within different levels of the hierarchy, the level within which the fair value measurement is categorized is based on the lowest level input that is significant to the fair value measurement.

Cash Equivalents - Cash equivalents include all liquid debt instruments (primarily cash funds and money market accounts) purchased with an original maturity of three months or less. The cash balances, maintained at large commercial banking institutions with strong credit ratings, may, at times, exceed federally insured limits.

Trade Receivables and Concentrations of Credit Risk - Financial instruments, which potentially subject us to a concentration of credit risk, principally consist of trade receivables. We sell our principal products to a large number of customers in many different industries. There are no concentrations of credit risk with a single customer from a particular service or geographic area that would significantly impact us in the near term. To reduce credit risk, we routinely assess the financial strength of our customers. We record an allowance for doubtful accounts to reduce our receivables to an amount we estimate is collectible from our customers. Estimates used in determining the allowance for doubtful accounts are based on historical collection experience, current trends, aging of accounts receivable and periodic evaluations of our customers’ financial condition.

Inventories - Inventories, consisting primarily of finished goods, are primarily valued at the lower of cost or net realizable value, with cost for approximately 72% of our inventory determined using the last-in, first-out (“LIFO”) method. Cost for the other 28% of our total inventory is determined using the first-in, first-out (“FIFO”) method.

Leases - The Company determines if an arrangement is a lease at inception. Right-of-use ("ROU") assets include operating leases. Lease liabilities for operating leases are classified in "short-term lease liabilities" and "long-term lease liabilities" in our condensed consolidated balance sheet.

ROU assets and related liabilities are recognized at commencement date based on the present value of the lease payments over the lease term. As most of our leases do not provide an implicit rate, we use our incremental borrowing rate based on the information available at commencement date, in determining the present value of lease payments. We use the implicit rate when readily determinable. Lease terms may include options to extend or terminate the lease when it is reasonably certain that we will exercise that option. Lease expense for lease payments is recognized on a straight-line basis over the lease term.

Lease and non-lease components are generally accounted for separately for real estate leases. For non-real estate leases, we account for the lease and non-lease components as a single lease component.

Property, Plant and Equipment - Property is stated at cost and depreciated or amortized over the lives of the assets, using the straight-line method. Estimated lives are: 10 to 40 years for buildings and improvements; 3 to 20 years for machinery and equipment; and 3 to 10 years for transportation equipment and office furniture and equipment including computer systems. Leasehold improvements are depreciated over the lesser of their estimated useful lives or the remaining lease term. Depreciation expense is recorded in our Consolidated Statement of Income (Loss) within cost of goods sold and selling, general and administrative expense, depending on the use of the underlying asset.

Significant improvements that add to productive capacity or extend the lives of properties are capitalized. Costs for repairs and maintenance are charged to expense as incurred. When property is retired or otherwise disposed of, the cost and related accumulated depreciation or amortization are removed from the accounts and any related gains or losses are included in income.

We review the recoverability of long-lived assets to be held and used, such as property, plant and equipment, when events or changes in circumstances occur that indicate the carrying value of the asset group may not be recoverable, such as prolonged industry downturn or significant reductions in projected future cash flows. The assessment of possible impairment is based on our ability to recover the carrying value of the asset group from the expected future pre-tax cash flows (undiscounted) of the related operations. If these cash flows are less than the carrying value of such asset group, an impairment loss would be measured by the amount the carrying value exceeds the fair value of the long-lived asset group. The measurement of impairment requires us to estimate future cash flows and the fair value of long-lived assets. During fiscal 2020, we incurred a $0.6 million impairment charge as a result of the determination to not use a piece of equipment in our manufacturing operations as previously planned. Other that this asset, no additional long-lived assets were determined to be impaired during fiscal years 2020, 2019 or 2018.

Goodwill and Identifiable Intangible Assets - Goodwill represents the excess of the cost of acquired businesses over the fair value of identifiable tangible net assets and identifiable intangible assets purchased. Goodwill is tested at least annually for impairment, and is tested for impairment more frequently if events or changes in circumstances indicate that the asset might be impaired. Our annual test for impairment is as of the first day of our fourth fiscal quarter. As of December 30, 2019, we performed an analysis of qualitative factors for our Industrial and Water Treatment reporting units to determine whether it is more likely than not that the fair value of either of these reporting units was less than its carrying amount as a basis for determining whether it is necessary to perform a quantitative goodwill impairment test. Based on management’s analysis of qualitative factors, we determined that it was not necessary to perform a quantitative goodwill impairment test for either of these reporting units.

We performed a quantitative goodwill impairment test for our Health and Nutrition reporting unit. This test, used to identify potential impairment, compares the fair value of each reporting unit with its carrying value, including indefinite-lived intangible assets. If the fair value exceeds the carrying value, the goodwill is not considered impaired. If the carrying amount exceeds the fair value, the reporting unit’s goodwill is considered impaired, and we must recognize an impairment charge for the amount by which the carrying value exceeds the reporting unit’s fair value. The fair value of our Health and Nutrition reporting unit exceeded its carrying value as of December 30, 2019, and accordingly we did not record a goodwill impairment charge.

Goodwill impairment assessments were also completed in the fourth quarters of fiscal 2019 and 2018. We recorded a $39.1 million impairment charge during the fourth quarter of fiscal 2018 in our Health and Nutrition reporting unit. The impairment charge was recorded as a result of changes in expectations for future growth as part of our fourth quarter long-term strategic planning process to align with historical experience in recent periods and expected changes in future product mix.

Our primary identifiable intangible assets include customer lists, trade secrets, non-competition agreements, trademarks and trade names acquired in previous business acquisitions. Identifiable intangible assets with finite lives are amortized whereas identifiable intangible assets with indefinite lives are not amortized. The values assigned to the intangible assets with finite lives are being amortized on average over approximately 14 years. Identifiable intangible assets that are subject to amortization are evaluated for impairment whenever events or changes in circumstances indicate that the carrying amount may not be recoverable. Identifiable intangible assets not subject to amortization are tested for impairment annually or more frequently if events warrant. The impairment test consists of a qualitative assessment to determine whether it is more likely than not that the asset is impaired. Based on management’s analysis of qualitative factors, we determined that it was not necessary to perform a quantitative impairment test for fiscal 2020. Impairment assessments were also completed in the fourth quarters of fiscal 2019 and 2018 which resulted in no impairment charges for either of these fiscal years.

Income Taxes - The Company accounts for income taxes under the asset and liability method, which requires the recognition of deferred tax assets and liabilities for the expected future tax consequences of events that have been included in the financial statements. Under this method, deferred tax assets and liabilities are determined on the basis of the differences between the financial statements and tax basis of assets and liabilities using enacted tax rates in effect for the year in which the differences are expected to reverse. The effect of a change in tax rates on deferred tax assets and liabilities is recognized in income tax expense in the period that includes the enactment date. The deferred tax assets and liabilities are analyzed regularly, and management assesses the likelihood that deferred tax assets will be recovered from future taxable income. We record any interest and penalties related to income taxes as income tax expense in the consolidated statements of income.

The effects of income tax positions are recognized only if those positions are more likely than not of being sustained. Changes in recognition or measurement are made as facts and circumstances change.

Stock-Based Compensation - We account for stock-based compensation on a fair value basis. The estimated grant date fair value of each stock-based award is recognized in expense over the requisite service period (generally the vesting period). Non-vested share awards are recorded as expense over the requisite service periods based on the market value on the date of grant.

Earnings Per Share - Basic earnings per share (“EPS”) are computed by dividing net income by the weighted-average number of common shares outstanding. Diluted EPS are computed by dividing net income by the weighted-average number of common shares outstanding including the incremental shares assumed to be issued as performance units and restricted stock.

Basic and diluted EPS were calculated using the following:


	March 29, 2020	March 31, 2019	April 1, 2018
Weighted average common shares outstanding — basic	10,579,989	10,654,887	10,607,422
Dilutive impact of stock performance units and restricted stock	74,411	71,289	36,297
Weighted average common shares outstanding — diluted	10,654,400	10,726,176	10,643,719

There were no shares or stock options excluded from the calculation of weighted average common shares for diluted EPS for fiscal 2020, 2019 or 2018.

Derivative Instruments and Hedging Activities - We are subject to interest rate risk associated with our variable rate debt. We have in place an interest rate swap which was has been designated as a cash flow hedge, the purpose of which is to eliminate the cash flow impact of interest rate changes on a portion of our variable-rate debt. The hedge was measured at fair value on the contract date and is subsequently remeasured to fair value at each reporting date. Changes in the fair value of a derivative that is highly effective, and that is designated and qualifies as a cash flow hedge, are recorded in other comprehensive income, until the consolidated statement of income is affected by the variability in cash flows of the designated hedged item. To the extent that the hedge is ineffective, changes in the fair value are recognized in the Statement of Income.

Recently Issued Accounting Pronouncements

In June 2016, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update (“ASU”) 2016-13, Financial Instruments - Credit Losses (Topic 326), Measurement of Credit Losses on Financial Instruments. The amendments in this update replace the incurred loss impairment methodology in current GAAP with a methodology that reflects expected credit losses on instruments within its scope, including trade receivables. This update is intended to provide financial statement users with more decision-useful information about the expected credit losses. This ASU is effective for annual periods and interim periods for those annual periods beginning after December 15, 2019, which for us is our fiscal year 2021. We have evaluated the requirements of this standard on our financial assets. Upon adoption, this ASU will impact our method for calculating and estimating our allowance for doubtful accounts, but it will not have a material impact to our financial position or results of operations.

We do not expect that any other recently issued accounting pronouncements will have a material effect on our financial statements.

Recently Adopted Accounting Pronouncements

In March 2016, the FASB issued Accounting Standards Update (“ASU”) 2016-02, Leases (Topic 842), which provides new accounting guidance requiring lessees to recognize most leases as assets and liabilities on the balance sheet and disclose key information about leasing arrangements. We adopted this guidance and related amendments on April 1, 2019. The new standard establishes a Right of Use ("ROU") model that requires a lessee to recognize a ROU asset and lease liability on the balance sheet for all leases with a term longer than 12 months. Leases will be classified as finance or operating, with classification affecting the pattern and expense recognition in the income statement. We adopted this ASU using the modified retrospective method. See Note 14 to the condensed consolidated financial statements for further details.

In May 2014, the FASB issued ASU 2014-09, which provides accounting requirements for recognition of revenue from contracts with customers. We adopted the new standard effective April 2, 2018, and there was no impact to our financial position or results of operations. See Note 2 for disclosures required upon adoption of this new standard.

In January 2016, the FASB issued ASU 2016-01 which provides guidance that addresses certain aspects of recognition, measurement, presentation, and disclosure of financial instruments. We adopted the new standard effective April 2, 2018, and there was no impact to our financial position or results of operations.

In February 2018, the FASB issued ASU 2018-02 which allows a reclassification from accumulated other comprehensive income to retained earnings for stranded tax effects resulting from the Tax Cuts and Jobs Act of 2017 (the “Tax Act”). Hawkins early adopted this standard during the fourth quarter of fiscal 2018 and reclassified approximately $0.1 million from other comprehensive income to retained earnings.

In December 2017, the Securities and Exchange Commission (“SEC”) staff issued Staff Accounting Bulletin No. 118 (“SAB 118”) to address the application of U.S. GAAP related to the enactment of the Tax Act. This guidance was adopted in the third quarter of fiscal 2018. Additional information regarding our adoption of this guidance is contained in Note 12.

In March 2016, the FASB issued ASU 2016-09, which provides accounting guidance intended to improve the accounting for share-based payment transactions. This guidance outlines new provisions intended to simplify various aspects related to accounting for share-based payments and their presentation in the financial statements. We adopted this guidance in the first quarter of fiscal 2018. We will continue to estimate forfeitures as we determine compensation cost each period. The primary impact on our consolidated financial statements is the recognition of excess tax benefits in the provision for income taxes rather than additional paid-in capital, which may result in increased volatility in the reported amounts of income tax expense and net income.

In July 2015, the FASB issued ASU 2015-11, which requires companies to change the measurement principal for inventory measured using the first-in, first-out (“FIFO”) or average cost method from the lower of cost or market to the lower of cost and net realizable value. Treatment of inventory valued under the last-in, last-out (“LIFO”) method is unchanged by this guidance. We adopted this guidance in the first quarter of fiscal 2018 and there was no impact to our financial position or results of operations.

Revenue

12 Months Ended

Mar. 29, 2020

Revenue [Abstract]

Revenue from Contract with Customer

Revenue

On April 2, 2018, we adopted ASU 2014-09 using the modified retrospective method applied to those contracts which were not completed as of April 2, 2018. Results for reporting periods beginning after April 2, 2018 are presented under ASU 2014-09, while prior period amounts are not adjusted and continue to be reported in accordance with historic accounting under Accounting Standards Codification (“ASC”) Topic 605.

Our revenue arrangements generally consist of a single performance obligation to transfer promised goods or services. As a result, the application of ASU 2014-09 had no impact on our financial statement line items as compared with the guidance that was in effect before the change. Accordingly, the impact of adopting the standard resulted in no adjustment to accumulated retained earnings.

We disaggregate revenues from contracts with customers by both operating segments and types of product sold. Reporting by operating segment is pertinent to understanding our revenues, as it aligns to how we review the financial performance of our operations. Types of products sold within each operating segment help us to further evaluate the financial performance of our segments.

The following table disaggregates external customer net sales by major revenue stream:


	Fiscal Year Ended March 29, 2020:
(In thousands)	Industrial		Water Treatment		Health and Nutrition		Total
Bulk / Distributed specialty products ⁽¹⁾	$	49,864	$	18,481	$	90,065	$	158,410
Manufactured, blended or repackaged products ⁽²⁾	222,161		139,917		14,770		376,848
Other	3,199		1,497		244		4,940
Total external customer sales	$	275,224	$	159,895	$	105,079	$	540,198

	Fiscal Year Ended March 31, 2019:
(In thousands)	Industrial		Water Treatment		Health and Nutrition		Total
Bulk / Distributed specialty products ⁽¹⁾	$	60,947	$	21,813	$	109,067	$	191,827
Manufactured, blended or repackaged products ⁽²⁾	216,874		126,217		15,684		358,775
Other	4,039		1,460		225		5,724
Total external customer sales	$	281,860	$	149,490	$	124,976	$	556,326

(1)For our Industrial and Water Treatment segments, this line includes our bulk products that we do not modify in any way, but receive, store, and ship from our facilities, or direct ship to our customers in large quantities. For our Health and Nutrition segment,

this line includes our non-manufactured distributed specialty products, which may be sold out of one of our facilities or direct shipped to our customers.

(2)For our Industrial and Water Treatment segments, this line includes our non-bulk specialty products that we either manufacture, blend, repackage, resell in their original form, or direct ship to our customers in smaller quantities, and services we provide for our customers. For our Health and Nutrition segment, this line includes products manufactured, processed or repackaged in our facility and/or with our equipment.

Net sales include products and shipping charges, net of estimates for product returns and any related sales rebates. Revenue is measured as the amount of consideration we expect to receive in exchange for transferring products. All revenue is recognized when we satisfy our performance obligations under the contract. Our criteria for recording revenue is consistent between our operating segments and types of products sold. We recognize revenue upon transfer of control of the promised products to the customer, with revenue recognized at the point in time the customer obtains control of the products. In arrangements where product is shipped directly from the vendor to our customer, we act as the principal in the transaction as we direct the other party to provide the product to our customer on our behalf, take inventory risk, establish the selling price, and are exposed to credit risk for the collection of the invoiced amount. If there were circumstances where we were to manufacture products for customers that were unique to their specifications and we would be prohibited by contract to use the product for any alternate use, we would recognize revenue over time if all criteria were met. We have made a policy election to treat shipping costs for FOB shipping point sales as fulfillment costs. As such, we recognize revenue for all shipping charges, if applicable, at the same time we recognize revenue on the products delivered. We estimate product returns based on historical return rates. Using probability assessments, we estimate sales rebates expected to be paid over the term of the contract. The majority of our contracts have a single performance obligation and are short term in nature. Sales taxes that are collected from customers and remitted to governmental authorities are accounted for on a net basis and therefore are excluded from net sales. We offer certain customers cash discounts and volume rebates as sales incentives. The discounts and volume rebates are recorded as a reduction in sales at the time revenue is recognized in an amount estimated based on historical experience and contractual obligations. We periodically review the assumptions underlying our estimates of discounts and volume rebates and adjusts revenues accordingly.

Derivative Instruments	12 Months Ended
Derivative Instruments	Mar. 29, 2020
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative Instruments and Hedging Activities Disclosure [Text Block]	Derivative Instruments We have in place an interest rate swap agreement to manage the risk associated with a portion of our variable-rate long-term debt. We do not utilize derivative instruments for speculative purposes. The interest rate swap involves the exchange of fixed-rate and variable-rate payments without the exchange of the underlying notional amount on which the interest payments are calculated. The swap agreement will terminate on December 23, 2020, and the notional amount of the swap agreement is $20 million. We have designated this swap as a cash flow hedge and have determined that it qualifies for hedge accounting treatment. For so long as the hedge is effective, changes in fair value of the cash flow hedge are recorded in other comprehensive income or loss (net of tax) until income or loss from the cash flows of the hedged item is realized. For the years ended March 29, 2020 and March 31, 2019, we recorded $0.4 million and $0.3 million in other comprehensive income related to unrealized losses (net of tax) on the cash flow hedge described above. For the year ended April 1, 2018, we recorded $0.3 million in other comprehensive income related to unrealized gains (net of tax) on the cash flow hedge. Included in other current liabilities on our condensed consolidated balance sheet was $0.1 million as of March 29, 2020. Included in other long-term assets on our condensed consolidated balance sheet was $0.4 million as of March 31, 2019 and $0.8 million as of April 1, 2018. By their nature, derivative instruments are subject to market risk. Derivative instruments are also subject to credit risk associated with counterparties to the derivative contracts. Credit risk associated with derivatives is measured based on the replacement cost should the counterparty with a contract in a gain position to us fail to perform under the terms of the contract. We do not anticipate nonperformance by the counterparty.

Fair Value Measurements

12 Months Ended

Mar. 29, 2020

Fair Value Disclosures [Abstract]

Fair Value, Measurement Inputs, Disclosure [Text Block]

Fair Value Measurements

Our financial assets and liabilities are measured at fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date (exit price). The carrying value of cash equivalents, accounts receivable, accounts payable, and accrued expenses approximate fair value because of the short-term nature of these instruments. Because of the variable-rate nature of our debt under our credit facility, our debt also approximates fair value. We classify the inputs used to measure fair value into the following hierarchy:



Level 1:						Quoted prices in active markets for identical assets or liabilities.
Level 2:						Quoted prices in active markets for similar assets or liabilities, or quoted prices for identical or similar assets or liabilities in markets that are not active, or inputs other than quoted prices that are observable or can be corroborated by observable market data for the asset or liability.
Level 3:						Unobservable inputs for the asset or liability that are supported by little or no market activity. These fair values are determined using pricing models for which the assumptions utilize management’s estimates or market participant assumptions.

Assets and Liabilities Measured at Fair Value on a Recurring Basis. The fair value hierarchy requires the use of observable market data when available. In instances where inputs used to measure fair value fall into different levels of the fair value hierarchy, the fair value measurement has been determined based on the lowest level input that is significant to the fair value measurement in its entirety. Our assessment of the significance of a particular item to the fair value measurement in its entirety requires judgment, including the consideration of inputs specific to the asset or liability.

Our financial assets that are measured at fair value on a recurring basis are an interest rate swap and assets held in a deferred compensation retirement plan. As of March 29, 2020, the assets held in a deferred compensation retirement plan is classified as other long-term assets on our balance sheet, with the portion of the plan assets expected to be paid within twelve months classified as current assets and the interest rate swap is classified as other current liabilities on our balance sheet. As of March 31, 2019, both of these assets were classified as other long-term assets on our balance sheet, with the portion of the deferred compensation retirement plan assets expected to be paid within twelve months reclassified to current assets. The fair value of the interest rate swap is determined by the respective counterparties based on interest rate changes. Interest rate swaps are valued based on observable interest rate yield curves for similar instruments. The deferred compensation plan assets relate to contributions made to a non-qualified compensation plan on behalf of certain employees who are classified as “highly compensated employees” as determined by IRS guidelines. The assets are part of a rabbi trust and the funds are held in mutual funds. The fair value of the deferred compensation is based on the quoted market prices for the mutual funds at the end of the period.

The following table summarizes the balances of assets or liabilities measured at fair value on a recurring basis as of March 29, 2020 and March 31, 2019.


(In thousands)		March 29, 2020		March 31, 2019
Assets
Deferred compensation plan assets	Level 1	$	3,564	$	2,637
Interest rate swap	Level 2	—		435

Liabilities
Interest rate swap	Level 2	108		—

Assets Held for Sale	12 Months Ended
Assets Held for Sale	Mar. 29, 2020
Assets Held For Sale [Abstract]
Disclosure of Long Lived Assets Held-for-sale [Table Text Block]	Assets Held for SaleIn the third quarter of fiscal 2019, management entered into a plan of action to dispose of an office building in St. Louis, Missouri currently utilized in the administration of our Industrial segment. The amount of office space in this facility is no longer needed due to current staffing levels, and management expects to relocate affected employees to leased space. The building is listed for sale at a price in excess of its current book value, and thus no impairment has been recognized. The $0.9 million net book value of this property is recorded as an asset held for sale within prepaid expenses and other current assets on our balance sheet.

Inventories

12 Months Ended

Mar. 29, 2020

Inventory Disclosure [Abstract]

Inventories

Inventories at March 29, 2020 and March 31, 2019 consisted of the following:


	2020		2019
(In thousands)
Inventory (FIFO basis)	$	60,090	$	65,526
LIFO reserve	(5,654)		(5,044)
Net inventory	$	54,436	$	60,482

The FIFO value of inventories accounted for under the LIFO method was $43.3 million at March 29, 2020 and $45.2 million at March 31, 2019. The remainder of the inventory was valued and accounted for under the FIFO method.

Goodwill and Intangible Assets

12 Months Ended

Mar. 29, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

Goodwill and Other Identifiable Intangible Assets

The carrying amount of goodwill for each of our three reportable segments were as follows:


(In thousands)	Industrial		Water Treatment		Health and Nutrition		Total


Balance as of April 1, 2018, March 31, 2019 and March 29, 2020	$	6,495	$	7,000	$	44,945	$	58,440

The following is a summary of our identifiable intangible assets as of March 29, 2020 and March 31, 2019:


	2020
	Gross Amount		Accumulated Amortization		Net carrying value
(In thousands)
Finite-life intangible assets:
Customer relationships	$	78,383	$	(21,400)	$	56,983
Trademarks and trade names	6,045		(3,640)		2,405
Other finite-life intangible assets	3,648		(3,610)		38
Total finite-life intangible assets	88,076		(28,650)		59,426
Indefinite-life intangible assets	1,227		—		1,227
Total intangible assets, net	$	89,303	$	(28,650)	$	60,653


	2019
	Gross Amount		Accumulated Amortization		Net carrying value
(In thousands)
Finite-life intangible assets:
Customer relationships	$	78,383	$	(16,910)	$	61,473
Trademarks and trade names	6,045		(3,115)		2,930
Other finite-life intangible assets	3,648		(3,552)		96
Total finite-life intangible assets	88,076		(23,577)		64,499
Indefinite-life intangible assets	1,227		—		1,227
Total intangible assets, net	$	89,303	$	(23,577)	$	65,726

Intangible asset amortization expense was $5.1 million during fiscal 2020, $5.5 million during fiscal 2019, and $5.7 million during fiscal 2018.

The estimated future amortization expense for identifiable intangible assets during the next five years is as follows:


(In thousands)	2021		2022		2023		2024		2025
Estimated amortization expense	$	5,028	$	4,891	$	4,891	$	4,891	$	4,891

Debt

12 Months Ended

Mar. 29, 2020

Debt Disclosure [Abstract]

Debt

On November 30, 2018, we entered into an amended and restated credit agreement (the “Credit Agreement”) with U.S. Bank National Association (“U.S. Bank”) as Sole Lead Arranger and Sole Book Runner, and other lenders from time to time party thereto (collectively, the “Lenders”), whereby U.S. Bank is also serving as Administrative Agent. The Credit Agreement refinanced the term and revolving loans under our previous credit agreement with U.S. Bank and provides us with senior secured revolving credit facilities (the “Revolving Loan Facility”) totaling $150 million. The Revolving Loan Facility includes a $5.0 million letter of credit subfacility and $15.0 million swingline subfacility. The Revolving Loan Facility has a five-year maturity date, maturing on November 30, 2023. The Revolving Loan Facility is secured by substantially all of our personal property assets and those of our subsidiaries.

We used $91.0 million of the proceeds from the Revolving Loan Facility to refinance the obligations under the previous credit facility. We may use the remaining amount of the Revolving Loan Facility for working capital, capital expenditures, share repurchases, restricted payments and acquisitions permitted under the Credit Agreement, and other general corporate purposes.

At March 29, 2020, the effective interest rate on our borrowings was 2.3%. In addition to paying interest on the outstanding principal under the Revolving Loan Facility, we are required to pay a commitment fee on the unutilized commitments thereunder. The commitment fee is between 0.15% and 0.25%, depending on our leverage ratio.

Debt issuance costs of $0.2 million paid to the lenders in connection with the Credit Agreement, as well as unamortized debt issuance costs of $0.3 million paid in connection with the previous credit facility, are reflected as a reduction of debt and are being amortized as interest expense over the term of the Revolving Loan Facility.

Debt at March 29, 2020 and March 31, 2019 consisted of the following:


(In thousands)	March 29, 2020		March 31, 2019
Senior secured revolving loan	$	60,000	$	85,000
Less: unamortized debt issuance costs	(342)		(435)
Total debt, net of debt issuance costs	59,658		84,565
Less: current portion of long-term debt, net of current unamortized debt issuance costs	(9,907)		(9,907)
Total long-term debt	$	49,751	$	74,658

Share Based Compensation

12 Months Ended

Mar. 29, 2020

Share-based Payment Arrangement [Abstract]

Share-Based Compensation

Performance-Based Restricted Stock Units. Our Board of Directors has approved a performance-based equity compensation arrangement for our executive officers. This performance-based arrangement provides for the grant of performance-based restricted stock units that represent a possible future issuance of restricted shares of our common stock based on our pre-tax income target for the applicable fiscal year. The actual number of restricted shares to be issued to each executive officer will be determined when our final financial information becomes available after the applicable fiscal year and will be between zero shares and 69,632 shares in the aggregate for fiscal 2020. The restricted shares issued, if any, will fully vest two years after the end of the fiscal year on which the performance is based. We record the compensation expense for the outstanding performance share units and then-converted restricted stock over the life of the awards.

The following table represents the restricted stock activity for fiscal 2019 and 2020:


	Shares	Weighted- Average Grant Date Fair Value
Outstanding at beginning of fiscal 2019	51,143	$	45.39
Granted	7,818	31.35
Vested	(24,567)	43.10
Forfeited or expired	(1,511)	47.50
Outstanding at end of fiscal 2019	32,883	$	43.66
Granted	69,252	34.49
Vested	(27,620)	46.01
Forfeited or expired	—
Outstanding at end of fiscal 2020	74,515	$	34.27

The weighted average grant date fair value of performance-based restricted shares issued in fiscal 2020 was $34.49, fiscal 2019 was $31.35 and fiscal 2018 was $47.50. We recorded compensation expense on performance-based restricted stock of approximately $1.5 million for fiscal 2020, $1.3 million for fiscal 2019 and $0.7 million for fiscal 2018, substantially all of which was recorded in selling, general and administrative (“SG&A”) expense in the Consolidated Statements of Income. The total fair value of performance-based restricted stock units vested was $1.3 million in fiscal 2020 and $1.1 million in fiscal 2019. There were no performance-based restricted stock units that vested in fiscal 2018.

Until the performance-based restricted stock units result in the issuance of restricted stock, the amount of expense recorded each period is dependent upon our estimate of the number of shares that will ultimately be issued and our then current common stock price. Upon issuance of restricted stock, we record compensation expense over the remaining vesting period using the award date closing price. Unrecognized compensation expense related to non-vested restricted stock and non-vested restricted share units as of March 29, 2020 was $2.3 million and is expected to be recognized over a weighted average period of 1.4 years.

Restricted Stock Awards. As part of their retainer, our non-employee directors receive restricted stock for their Board services. The restricted stock awards are expensed over a one-year vesting period, based on the market value on the date of grant. The following table represents the Board’s restricted stock activity for fiscal 2019 and 2020:


	Shares	Weighted- Average Grant Date Fair Value
Outstanding at beginning of fiscal 2019	8,484	$	41.25
Granted	8,352	35.90
Vested	(8,484)	41.25
Forfeited or expired	—	—
Outstanding at end of fiscal 2019	8,352	$	35.90
Granted	8,008	43.67
Vested	(8,352)	35.90
Forfeited or expired	—	—
Outstanding at end of fiscal 2020	8,008	$	43.67

Annual expense related to the value of restricted stock was $0.3 million in fiscal 2020, 2019 and 2018, and was recorded in SG&A expense in the Consolidated Statements of Income. Unrecognized compensation expense related to non-vested restricted stock awards as of March 29, 2020 was $0.1 million and is expected to be recognized over a weighted average period of 0.3 years.

Share Repurchase Program	12 Months Ended
Share Repurchase Program	Mar. 29, 2020
Share Repurchase Program [Abstract]
Stockholders' Equity Note Disclosure [Text Block]	Share RepurchasesOur board of directors has authorized the repurchase of up to 800,000 shares of our outstanding common stock. The shares may be repurchased on the open market or in privately negotiated transactions subject to applicable securities laws and regulations. Upon repurchase of the shares, we reduce our common stock for the par value of the shares with the excess applied against additional paid-in capital. We repurchased 145,583 of common stock at an aggregate purchase price of $5.9 million during fiscal 2020. We repurchased 108,166 of common stock at an aggregate purchase price of $4.4 million during fiscal 2019. No shares were repurchased during fiscal 2018. As of March 29, 2020, the number of shares available to be purchased under the share repurchase program was 358,797.

Profit Sharing, Employee Stock Ownership, Employee Stock Purchase and Pension Plans

12 Months Ended

Mar. 29, 2020

Retirement Benefits [Abstract]

Profit Sharing, Employee Stock Ownership Plan, Employee Stock Purchase Plan and Defined Contribution Pension Plan Contribution Expense

Profit Sharing, Employee Stock Ownership, Employee Stock Purchase and Pension PlansCompany Sponsored Plans. The majority of our non-bargaining unit employees are eligible to participate in a company-sponsored profit sharing plan. Contributions are made at our discretion subject to a maximum amount allowed under the Internal Revenue Code (“IRC”). The profit sharing plan contribution level for each employee depends upon date of hire, and was 2.5% or 5.0% of each employee’s eligible compensation for fiscal 2020, 2019 and 2018. We also have in place a retirement plan covering our collective bargaining unit employees. The retirement plan provides for a contribution of 2.5% or 5.0% of each employee’s eligible annual wages depending on their hire date. In addition to the employer contributions described above, both the profit sharing plan and the retirement plant include a 401(k) plan that allows employees to contribute pre-tax earnings up to the maximum amount allowed under the IRC, with an employer match of up to 5% of the employee’s eligible compensation.

We have two employee stock ownership plans (“ESOPs”), one covering the majority of our non-bargaining unit employees and the other covering our collective bargaining unit employees. Contributions to the plan covering our non-bargaining unit employees are made at our discretion. Contributions to both plans are subject to a maximum amount allowed under the IRC, and were 2.5% or 5.0% of each employee’s eligible wages, depending on each eligible employee’s hire date, for fiscal 2020, 2019 and 2018.

We have a nonqualified deferred compensation plan covering employees who are classified as “highly compensated employees” as determined by IRS guidelines for the plan year and who were hired on or before April 1, 2012. Employees who are eligible for the nonqualified deferred compensation plan for any plan year are not eligible for the profit sharing plan contribution or the ESOP contributions described above for that plan year. Our contribution to the nonqualified deferred compensation plan for fiscal 2020, 2019 and 2018 was 10% of each employee’s eligible compensation, subject to the maximum amount allowed under the IRC.

We have an employee stock purchase plan (“ESPP”) covering substantially all of our employees. The ESPP allows employees to purchase newly-issued shares of the Company’s common stock at a discount from market. The number of new shares issued under the ESPP was 38,550 in fiscal 2020, 43,678 in fiscal 2019 and 41,304 in fiscal 2018.

The following represents the contribution expense for these company-sponsored plans for fiscal 2020, 2019 and 2018:


(In thousands)	2020		2019		2018

Non-bargaining unit employee plans:
Profit sharing	$	631	$	899	$	779
401(k) matching contributions	2,399		2,390		2,143
ESOP	631		899		779
Nonqualified deferred compensation plan	1,262		1,246		1,258
Bargaining unit employee plans	481		474		496
ESPP - all employees	431		376		364
Total contribution expense	$	5,835	$	6,284	$	5,819

In 2013, we withdrew from a collectively bargained multiemployer pension plan and recorded a liability for our share of the unfunded vested benefits. Payments of $467,000 per year are being made through 2034.

Commitments and Contingencies	12 Months Ended
Commitments and Contingencies	Mar. 29, 2020
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies Litigation. As of March 29, 2020, there were no material pending legal proceedings, other than ordinary routine litigation incidental to the business, to which we or any of our subsidiaries are a party or of which any of our property is the subject. Legal fees associated with such matters are expensed as incurred. Environmental Remediation: During fiscal 2018, we recorded a liability of $0.6 million related to estimated remediation expenses associated with existing trichloroethylene contamination at our Minneapolis facility. The liability was decreased to $0.1 million as of March 29, 2020 and $0.4 million as of March 31, 2019, to reflect payments made and management’s revised expectations related to the cost of this environmental remediation. The liability is not discounted as management expects to incur these expenses within the next twelve months. Given the many uncertainties involved in assessing environmental claims, our reserves may prove to be insufficient. While it is possible that additional expenses related to remediation will be incurred in future periods if currently unknown issues arise, we are unable to estimate the extent of any further financial impact. Asset Retirement Obligations. We have three leases of land which contain terms that state that at the end of the lease term, we have a specified amount of time to remove the property and buildings. Including available lease extensions, these leases expire in 2023, 2033 and 2044. At that time, anything that remains on the land becomes the property of the lessor, and the lessor has the option to either maintain the property or remove the property at our expense. We have not been able to reasonably estimate the fair value of the asset retirement obligations, primarily due to the combination of the following factors: Certain of the leases do not expire in the near future; we have a history of extending the leases with the lessors and currently intend to do so at expiration of the lease periods; the lessors do not have a history of terminating leases with their tenants; and because it is more likely than not that the buildings will have value at the end of the lease life and therefore, may not be removed by either the lessee or the lessor. Therefore, in accordance with accounting guidance related to asset retirement and environmental obligations, we have not recorded an asset retirement obligation as of March 29, 2020. We will continue to monitor the factors surrounding the requirement to record an asset retirement obligation and will recognize the fair value of a liability in the period in which it is incurred and a reasonable estimate can be made.

Income Taxes

12 Months Ended

Mar. 29, 2020

Income Tax Disclosure [Abstract]

Income Taxes

The U.S. Tax Cuts and Jobs Act of 2017 (the “Tax Act”) included a number of provisions, including lowering of the U.S. corporate tax rate from 35% to 21% effective January 1, 2018. Under GAAP, deferred tax assets and liabilities are required to be revalued during the period in which the new tax legislation is enacted. As such, during fiscal 2018 we revalued our net deferred tax liabilities to reflect the impact of the Tax Act and recorded a one-time benefit of $13.9 million. The accounting for the impact of the Tax Act was finalized during fiscal 2019 and there were no material adjustments to the estimates used under provisional accounting. Our effective tax rate for fiscal 2018 was also impacted by the $39.1 million goodwill impairment charge which was recorded for book purposes but was not deductible for tax purposes.

In March 2020, the United States government approved the Coronavirus Aid, Relief and Economic Security Act (the "CARES Act"), providing tax relief to certain individuals and corporations. Other than allowing bonus depreciation on certain qualified improvement property not previously permitted under the Tax Act, the CARES Act is not expected to have an impact on our federal income tax provision.

The provisions for income taxes for fiscal 2020, 2019 and 2018 were as follows:


	2020		2019		2018
(In thousands)
Federal — current	$	8,447	$	6,956	$	7,024
State — current	3,563		2,748		1,834
Total current	12,010		9,704		8,858

Federal — deferred	(976)		(334)		(14,393)
State — deferred	(445)		(273)		(364)
Total deferred	(1,421)		(607)		(14,757)
Total provision	$	10,589	$	9,097	$	(5,899)

Reconciliations of the provisions for income taxes to the applicable federal statutory income tax rate for fiscal 2020, 2019 and 2018 are listed below.


	2020		2019		2018
Statutory federal income tax	21.0	%	21.0	%	31.5	%
State income taxes, net of federal deduction	5.7	%	5.8	%	(8.3)	%
ESOP dividend deduction on allocated shares	(0.3)	%	(0.3)	%	1.4	%
Domestic production deduction	—	%	—	%	2.7	%
Goodwill impairment	—	%	—	%	(81.7)	%
Revaluation of net deferred tax liabilities	—	%	—	%	92.5	%


Other — net	0.8	%	0.6	%	1.0	%
Total	27.2	%	27.1	%	39.1	%

The tax effects of items comprising our net deferred tax liability as of March 29, 2020 and March 31, 2019 are as follows:


(In thousands)	2020		2019
Deferred tax assets:
Trade receivables	$	212	$	167
Stock compensation accruals	728		654
Pension withdrawal liability	1,435		1,525
Lease liability	2,476		—
Unrealized loss on interest rate swap	29		—
Other	1,982		1,853
Total deferred tax assets	$	6,862	$	4,199
Deferred tax liabilities:
Inventories	$	(2,231)	$	(3,272)
Prepaid expenses	(843)		(764)
Excess of tax over book depreciation	(10,504)		(10,000)
Intangible assets	(15,936)		(16,718)
Unrealized gain on interest rate swap	—		(118)
ROU asset	(2,454)		—
Total deferred tax liabilities	$	(31,968)	$	(30,872)
Net deferred tax liabilities	$	(25,106)	$	(26,673)

As of March 29, 2020, the Company has determined that it is more likely than not that the deferred tax assets at March 29, 2020 will be realized either through future taxable income or reversals of taxable temporary differences.

We are subject to U.S. federal income tax as well as income tax of multiple state jurisdictions. The tax years prior to our fiscal year ended April 2, 2017 are closed to examination by the Internal Revenue Service, and with few exceptions, state and local

income tax jurisdictions.

Leases

12 Months Ended

Mar. 29, 2020

Leases [Abstract]

Lessee, Operating Leases

Leases

On April 1, 2019, we adopted ASU 2016-02 and related amendments using the modified retrospective method applied to existing leases in place as of April 1, 2019. Leases entered into after April 1, 2019 are presented under the provisions of ASU 2016-02, while prior periods are not adjusted and continue to be reported in accordance with previous accounting guidance. Leases commencing or renewing after the adoption date are evaluated based on the guidance in ASU 2016-02 and may result in more finance leases being recognized even for the renewal of previously classified operating leases. We do not currently have any leases that qualify as financing leases.

We elected to adopt the 'package of practical expedients’, which permitted us not to reassess under the new standard our prior conclusions about lease identification, lease classification and initial direct costs. We elected the short-term lease recognition exemption for all leases that qualified. This means, for those leases that qualified, we did not recognize right-of-use assets or lease liabilities, and this included not recognizing right-of-use assets or lease liabilities for existing short-term leases of those assets in transition. We also elected the practical expedient to not separate lease and non-lease components for all leases other than leases of real estate, and this included not separating lease and non-lease components for all leases other than leases of real estate in transition.

We adopted ASU 2016-02 using the modified retrospective method, recognizing the cumulative effect of application as an adjustment to the oening balance sheet. The standard had a material impact on our condensed consolidated balance sheet, but did not have a material impact on our condensed consolidated statement of income or cash flows. The most significant impact was the recognition of the ROU asset and lease liabilities for operating leases, both of which were approximately $10.4 million upon adoption.

Lease Obligations. As of March 29, 2020, we were obligated under operating lease agreements for certain manufacturing facilities, warehouse space, the land on which some of our facilities sit, vehicles and information technology equipment. Our leases have remaining lease terms of 1 year to 24 years, some of which include options to extend the lease for up to 10 years.

As of March 29, 2020, our operating lease components with initial or remaining terms in excess of one year were classified on the condensed consolidated balance sheet within right of use assets, short-term lease liability and long-term lease liability.

Total lease expense was $2.8 million for the twelve months ended March 29, 2020, and includes leases less than 12 months in duration.

Other information related to our operating leases was as follows:


	March 29, 2020
Lease Term and Discount Rate
Weighted average remaining lease term (years)	8.73
Weighted average discount rate	4.1	%

Maturities of lease liabilities as of March 29, 2020 were as follows:


(In thousands)	Operating Leases
Fiscal 2021	$	1,769
Fiscal 2022	1,556
Fiscal 2023	1,442
Fiscal 2024	1,110
Fiscal 2025	1,124
Thereafter	4,114
Total	$	11,115
Less: Interest	(1,943)
Present value of lease liabilities	$	9,172

As we have not restated prior year information for our adoption of ASC Topic 842, the following represents our future minimum lease payments for operating leases under ASC Topic 840 on March 31, 2019:


(In thousands)	Operating Leases
Fiscal 2020	$	2,198
Fiscal 2021	1,783
Fiscal 2022	1,407
Fiscal 2023	1,352
Fiscal 2024	1,183
Thereafter	5,473
Total	$	13,396

Segment Information

12 Months Ended

Mar. 29, 2020

Segment Reporting [Abstract]

Segment Information

We have three reportable segments: Industrial, Water Treatment and Health and Nutrition. The accounting policies of the segments are the same as those described in the summary of significant accounting policies. Product costs and expenses for each segment are based on actual costs incurred along with cost allocations of shared and centralized functions.

We evaluate performance based on profit or loss from operations before income taxes not including nonrecurring gains and losses. Reportable segments are defined primarily by product and type of customer. Segments are responsible for the sales, marketing and development of their products and services. Other than our Health and Nutrition segment, the segments do not have separate accounting, administration, customer service or purchasing functions. There are no intersegment sales and no operating segments have been aggregated.


Reportable Segments	Industrial		Water Treatment		Health and Nutrition		Total
(In thousands)
Fiscal Year Ended March 29, 2020:
Sales	$	275,224	$	159,895	$	105,079	$	540,198
Gross profit	38,936		41,902		20,079		100,917
Selling, general, and administrative expenses	24,123		19,801		15,322		59,246
Operating income	14,813		22,101		4,757		41,671
Identifiable assets*	$	173,068	$	63,506	$	139,780	$	376,354
Capital expenditures	$	14,933	$	9,160	$	456	$	24,549
Fiscal Year Ended March 31, 2019:
Sales	$	281,860	$	149,490	$	124,976	$	556,326
Gross profit	34,900		37,986		23,050		95,936
Selling, general, and administrative expenses	22,759		19,498		16,861		59,118
Operating income (loss)	12,141		18,488		6,189		36,818
Identifiable assets*	$	162,926	$	58,274	$	146,042	$	367,242
Capital expenditures	$	7,319	$	4,506	$	793	$	12,618
Fiscal Year Ended April 1, 2018:
Sales	$	247,374	$	138,465	$	118,330	$	504,169
Gross profit	29,619		36,268		20,873		86,760
Selling, general, and administrative expenses	21,159		19,426		18,818		59,403
Goodwill impairment	—		—		39,116		39,116
Operating income	8,460		16,842		(37,061)		(11,759)
Identifiable assets*	$	165,052	$	58,513	$	153,123	$	376,688
Capital expenditures	$	10,265	$	7,228	$	2,210	$	19,703

* Unallocated assets, consisting primarily of cash and cash equivalents, investments and prepaid expenses, were $13.0 million at March 29, 2020, $18.4 million at March 31, 2019 and $14.3 million at April 1, 2018.

Selected Quarterly Financial Data (Unaudited)

12 Months Ended

Mar. 29, 2020

Quarterly Financial Information Disclosure [Abstract]

Selected Quarterly Financial Data (Unaudited)


(In thousands, except per share data)	Fiscal 2020
	First		Second		Third		Fourth
Sales	$	147,336	$	140,043	$	120,406	$	132,413
Gross profit	28,797		27,994		21,478		22,648
Selling, general, and administrative expenses	14,836		14,817		14,702		14,891
Operating income	13,961		13,177		6,776		7,757
Net income	9,807		9,250		4,547		4,763
Basic earnings per share	$	0.92	$	0.87	$	0.43	$	0.45
Diluted earnings per share	$	0.92	$	0.87	$	0.43	$	0.45

	Fiscal 2019
	First		Second		Third		Fourth
Sales	$	149,800	$	145,324	$	128,151	$	133,051
Gross profit	28,457		25,772		21,033		20,674
Selling, general, and administrative expenses	14,979		14,941		14,312		14,886
Operating income	13,478		10,831		6,721		5,788
Net income	9,123		7,409		4,130		3,771
Basic earnings per share	$	0.86	$	0.69	$	0.39	$	0.35
Diluted earnings per share	$	0.85	$	0.69	$	0.39	$	0.35

	Fiscal 2018
	First		Second		Third		Fourth
Sales	$	133,731	$	125,395	$	118,053	$	126,990
Gross profit	25,999		24,115		18,840		17,806
Selling, general, and administrative expenses	15,766		14,828		14,139		14,670
Goodwill impairment	—		—		—		39,116
Operating income (loss)	10,233		9,287		4,701		(35,980)
Net income (loss)	5,831		5,210		17,143		(37,361)
Basic earnings (loss) per share	$	0.55	$	0.49	$	1.62	$	(3.51)
Diluted earnings (loss) per share	$	0.55	$	0.49	$	1.61	$	(3.50)

Valuation and Qualifying Accounts (Notes)

12 Months Ended

Mar. 29, 2020

SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]

Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]

VALUATION AND QUALIFYING ACCOUNTS

FOR THE FISCAL YEARS ENDED March 29, 2020, March 31, 2019 AND April 1, 2018


			Additions
Description	Balance at Beginning of Year		Charged to Costs and Expenses		Charged to Other Accounts		Deductions Write-Offs		Balance at End of Year
	(In thousands)
Reserve deducted from asset to which it applies:
Fiscal Year Ended March 29, 2020:
Allowance for doubtful accounts	$	620	$	448	$	—	$	284	$	784
Fiscal Year Ended March 31, 2019:
Allowance for doubtful accounts	$	942	$	92	$	—	$	414	$	620
Fiscal Year Ended April 1, 2018:
Allowance for doubtful accounts	$	468	$	509	$	—	$	35	$	942

Nature of Business and Significant Accounting Policies (Policies)

12 Months Ended

Mar. 29, 2020

Accounting Policies [Abstract]

Fiscal Year

Our fiscal year is a 52 or 53-week year ending on the Sunday closest to March 31. Our fiscal years ended March 29, 2020 (“fiscal 2020”), March 31, 2019 (“fiscal 2019”) and April 1, 2018 (“fiscal 2018”) were 52 weeks. The fiscal year ending March 28, 2021 (“fiscal 2021”) will also be 52 weeks.

Principles of Consolidation

The consolidated financial statements include the accounts of Hawkins, Inc. and its wholly-owned subsidiaries. All intercompany transactions and accounts have been eliminated.

Estimates

The preparation of financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, particularly receivables, inventories, property, plant and equipment, right-of-use assets, goodwill, intangibles, accrued expenses, short-term and long-term lease liability, income taxes and related accounts and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.

Revenue Recognition

Revenue is measured as the amount of consideration we expect to receive in exchange for transferring products. Revenue is recognized when we satisfy our performance obligations under the contract. We recognize revenue upon transfer of control of the promised products to the customer, with revenue recognized at the point in time the customer obtains control of the products. Net sales include products and shipping charges, net of estimates for product returns and any related sales rebates. We estimate product returns based on historical return rates. Using probability assessments, we estimate sales rebates expected to be paid over the term of the contract. The majority of our contracts have a single performance obligation and are short term in nature. Sales taxes that are collected from customers and remitted to governmental authorities are accounted for on a net basis and therefore are excluded from net sales. We offer certain customers cash discounts and volume rebates as sales incentives. The discounts and volume rebates are recorded as a reduction in sales at the time revenue is recognized in an amount estimated based on historical experience and contractual obligations.

Shipping and Handling

All shipping and handling amounts billed to customers are included in revenues. Costs incurred related to the shipping and the handling of products are included in cost of sales.

Fair Value Measurements

The financial assets and liabilities that are re-measured and reported at fair value for each reporting period are an interest rate swap and marketable securities. There are no fair value measurements with respect to nonfinancial assets or liabilities that are recognized or disclosed at fair value in our consolidated financial statements on a recurring basis.

Assets and liabilities measured at fair value are classified using the following hierarchy, which is based upon the transparency of inputs to the valuation as of the measurement date:

Level 1: Valuation is based on quoted prices in active markets for identical assets or liabilities.

Cash Equivalents

Cash equivalents include all liquid debt instruments (primarily cash funds and money market accounts) purchased with an original maturity of three months or less. The cash balances, maintained at large commercial banking institutions with strong credit ratings, may, at times, exceed federally insured limits.

Trade Receivables

Financial instruments, which potentially subject us to a concentration of credit risk, principally consist of trade receivables. We sell our principal products to a large number of customers in many different industries. There are no concentrations of credit risk with a single customer from a particular service or geographic area that would significantly impact us in the near term. To reduce credit risk, we routinely assess the financial strength of our customers. We record an allowance for doubtful accounts to reduce our receivables to an amount we estimate is collectible from our customers. Estimates used in determining the allowance for doubtful accounts are based on historical collection experience, current trends, aging of accounts receivable and periodic evaluations of our customers’ financial condition.

Inventories

Inventories, consisting primarily of finished goods, are primarily valued at the lower of cost or net realizable value, with cost for approximately 72% of our inventory determined using the last-in, first-out (“LIFO”) method. Cost for the other 28% of our total inventory is determined using the first-in, first-out (“FIFO”) method.

Leases

The Company determines if an arrangement is a lease at inception. Right-of-use ("ROU") assets include operating leases. Lease liabilities for operating leases are classified in "short-term lease liabilities" and "long-term lease liabilities" in our condensed consolidated balance sheet.

Property, Plant and Equipment

Property is stated at cost and depreciated or amortized over the lives of the assets, using the straight-line method. Estimated lives are: 10 to 40 years for buildings and improvements; 3 to 20 years for machinery and equipment; and 3 to 10 years for transportation equipment and office furniture and equipment including computer systems. Leasehold improvements are depreciated over the lesser of their estimated useful lives or the remaining lease term. Depreciation expense is recorded in our Consolidated Statement of Income (Loss) within cost of goods sold and selling, general and administrative expense, depending on the use of the underlying asset.

Goodwill and Identifiable Intangible Assets

Goodwill represents the excess of the cost of acquired businesses over the fair value of identifiable tangible net assets and identifiable intangible assets purchased. Goodwill is tested at least annually for impairment, and is tested for impairment more frequently if events or changes in circumstances indicate that the asset might be impaired. Our annual test for impairment is as of the first day of our fourth fiscal quarter. As of December 30, 2019, we performed an analysis of qualitative factors for our Industrial and Water Treatment reporting units to determine whether it is more likely than not that the fair value of either of these reporting units was less than its carrying amount as a basis for determining whether it is necessary to perform a quantitative goodwill impairment test. Based on management’s analysis of qualitative factors, we determined that it was not necessary to perform a quantitative goodwill impairment test for either of these reporting units.

Income Taxes

The Company accounts for income taxes under the asset and liability method, which requires the recognition of deferred tax assets and liabilities for the expected future tax consequences of events that have been included in the financial statements. Under this method, deferred tax assets and liabilities are determined on the basis of the differences between the financial statements and tax basis of assets and liabilities using enacted tax rates in effect for the year in which the differences are expected to reverse. The effect of a change in tax rates on deferred tax assets and liabilities is recognized in income tax expense in the period that includes the enactment date. The deferred tax assets and liabilities are analyzed regularly, and management assesses the likelihood that deferred tax assets will be recovered from future taxable income. We record any interest and penalties related to income taxes as income tax expense in the consolidated statements of income.The effects of income tax positions are recognized only if those positions are more likely than not of being sustained. Changes in recognition or measurement are made as facts and circumstances change.

Stock-Based Compensation

We account for stock-based compensation on a fair value basis. The estimated grant date fair value of each stock-based award is recognized in expense over the requisite service period (generally the vesting period). Non-vested share awards are recorded as expense over the requisite service periods based on the market value on the date of grant.

Earnings Per Share

Basic earnings per share (“EPS”) are computed by dividing net income by the weighted-average number of common shares outstanding. Diluted EPS are computed by dividing net income by the weighted-average number of common shares outstanding including the incremental shares assumed to be issued as performance units and restricted stock.

Basic and diluted EPS were calculated using the following:


	March 29, 2020	March 31, 2019	April 1, 2018
Weighted average common shares outstanding — basic	10,579,989	10,654,887	10,607,422
Dilutive impact of stock performance units and restricted stock	74,411	71,289	36,297
Weighted average common shares outstanding — diluted	10,654,400	10,726,176	10,643,719

There were no shares or stock options excluded from the calculation of weighted average common shares for diluted EPS for fiscal 2020, 2019 or 2018.

Derivatives Instruments and Hedging Activities

We are subject to interest rate risk associated with our variable rate debt. We have in place an interest rate swap which was has been designated as a cash flow hedge, the purpose of which is to eliminate the cash flow impact of interest rate changes on a portion of our variable-rate debt. The hedge was measured at fair value on the contract date and is subsequently remeasured to fair value at each reporting date. Changes in the fair value of a derivative that is highly effective, and that is designated and qualifies as a cash flow hedge, are recorded in other comprehensive income, until the consolidated statement of income is affected by the variability in cash flows of the designated hedged item. To the extent that the hedge is ineffective, changes in the fair value are recognized in the Statement of Income.

Nature of Business and Significant Accounting Policies (Tables)

12 Months Ended

Mar. 29, 2020

Accounting Policies [Abstract]

Schedule of earnings per share, basic and diluted

Basic and diluted EPS were calculated using the following:


	March 29, 2020	March 31, 2019	April 1, 2018
Weighted average common shares outstanding — basic	10,579,989	10,654,887	10,607,422
Dilutive impact of stock performance units and restricted stock	74,411	71,289	36,297
Weighted average common shares outstanding — diluted	10,654,400	10,726,176	10,643,719

Revenue (Tables)

12 Months Ended

Mar. 29, 2020

Revenue [Abstract]

Disaggregation of Revenue [Table Text Block]

The following table disaggregates external customer net sales by major revenue stream:


	Fiscal Year Ended March 29, 2020:
(In thousands)	Industrial		Water Treatment		Health and Nutrition		Total
Bulk / Distributed specialty products ⁽¹⁾	$	49,864	$	18,481	$	90,065	$	158,410
Manufactured, blended or repackaged products ⁽²⁾	222,161		139,917		14,770		376,848
Other	3,199		1,497		244		4,940
Total external customer sales	$	275,224	$	159,895	$	105,079	$	540,198

	Fiscal Year Ended March 31, 2019:
(In thousands)	Industrial		Water Treatment		Health and Nutrition		Total
Bulk / Distributed specialty products ⁽¹⁾	$	60,947	$	21,813	$	109,067	$	191,827
Manufactured, blended or repackaged products ⁽²⁾	216,874		126,217		15,684		358,775
Other	4,039		1,460		225		5,724
Total external customer sales	$	281,860	$	149,490	$	124,976	$	556,326

this line includes our non-manufactured distributed specialty products, which may be sold out of one of our facilities or direct shipped to our customers.(2)For our Industrial and Water Treatment segments, this line includes our non-bulk specialty products that we either manufacture, blend, repackage, resell in their original form, or direct ship to our customers in smaller quantities, and services we provide for our customers. For our Health and Nutrition segment, this line includes products manufactured, processed or repackaged in our facility and/or with our equipment

Fair Value Measurements (Tables)

12 Months Ended

Mar. 29, 2020

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

The following table summarizes the balances of assets or liabilities measured at fair value on a recurring basis as of March 29, 2020 and March 31, 2019.


(In thousands)		March 29, 2020		March 31, 2019
Assets
Deferred compensation plan assets	Level 1	$	3,564	$	2,637
Interest rate swap	Level 2	—		435

Liabilities
Interest rate swap	Level 2	108		—

Inventories (Tables)

12 Months Ended

Mar. 29, 2020

Inventory Disclosure [Abstract]

Summary of Inventories

Inventories at March 29, 2020 and March 31, 2019 consisted of the following:


	2020		2019
(In thousands)
Inventory (FIFO basis)	$	60,090	$	65,526
LIFO reserve	(5,654)		(5,044)
Net inventory	$	54,436	$	60,482

Goodwill and Intangible Assets (Tables)

12 Months Ended

Mar. 29, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of goodwill

The carrying amount of goodwill for each of our three reportable segments were as follows:


(In thousands)	Industrial		Water Treatment		Health and Nutrition		Total


Balance as of April 1, 2018, March 31, 2019 and March 29, 2020	$	6,495	$	7,000	$	44,945	$	58,440

Summary of intangible assets

The following is a summary of our identifiable intangible assets as of March 29, 2020 and March 31, 2019:


	2020
	Gross Amount		Accumulated Amortization		Net carrying value
(In thousands)
Finite-life intangible assets:
Customer relationships	$	78,383	$	(21,400)	$	56,983
Trademarks and trade names	6,045		(3,640)		2,405
Other finite-life intangible assets	3,648		(3,610)		38
Total finite-life intangible assets	88,076		(28,650)		59,426
Indefinite-life intangible assets	1,227		—		1,227
Total intangible assets, net	$	89,303	$	(28,650)	$	60,653


	2019
	Gross Amount		Accumulated Amortization		Net carrying value
(In thousands)
Finite-life intangible assets:
Customer relationships	$	78,383	$	(16,910)	$	61,473
Trademarks and trade names	6,045		(3,115)		2,930
Other finite-life intangible assets	3,648		(3,552)		96
Total finite-life intangible assets	88,076		(23,577)		64,499
Indefinite-life intangible assets	1,227		—		1,227
Total intangible assets, net	$	89,303	$	(23,577)	$	65,726

Schedule of future amortization expense

The estimated future amortization expense for identifiable intangible assets during the next five years is as follows:


(In thousands)	2021		2022		2023		2024		2025
Estimated amortization expense	$	5,028	$	4,891	$	4,891	$	4,891	$	4,891

Debt (Tables)

12 Months Ended

Mar. 29, 2020

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

Debt at March 29, 2020 and March 31, 2019 consisted of the following:


(In thousands)	March 29, 2020		March 31, 2019
Senior secured revolving loan	$	60,000	$	85,000
Less: unamortized debt issuance costs	(342)		(435)
Total debt, net of debt issuance costs	59,658		84,565
Less: current portion of long-term debt, net of current unamortized debt issuance costs	(9,907)		(9,907)
Total long-term debt	$	49,751	$	74,658

- Definition

Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.

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+ Details

Share Based Compensation (Tables)

12 Months Ended

Mar. 29, 2020

Performance-Based Restricted Stock [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary of performance-based restricted stock units

The following table represents the restricted stock activity for fiscal 2019 and 2020:


	Shares	Weighted- Average Grant Date Fair Value
Outstanding at beginning of fiscal 2019	51,143	$	45.39
Granted	7,818	31.35
Vested	(24,567)	43.10
Forfeited or expired	(1,511)	47.50
Outstanding at end of fiscal 2019	32,883	$	43.66
Granted	69,252	34.49
Vested	(27,620)	46.01
Forfeited or expired	—
Outstanding at end of fiscal 2020	74,515	$	34.27

Restricted Stock Awards [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary of restricted stock awards

The following table represents the Board’s restricted stock activity for fiscal 2019 and 2020:


	Shares	Weighted- Average Grant Date Fair Value
Outstanding at beginning of fiscal 2019	8,484	$	41.25
Granted	8,352	35.90
Vested	(8,484)	41.25
Forfeited or expired	—	—
Outstanding at end of fiscal 2019	8,352	$	35.90
Granted	8,008	43.67
Vested	(8,352)	35.90
Forfeited or expired	—	—
Outstanding at end of fiscal 2020	8,008	$	43.67

Profit Sharing, Employee Stock Ownership, Employee Stock Purchase and Pension Plans (Tables)

12 Months Ended

Mar. 29, 2020

Retirement Benefits [Abstract]

Schedule of contribution expenses

The following represents the contribution expense for these company-sponsored plans for fiscal 2020, 2019 and 2018:


(In thousands)	2020		2019		2018

Non-bargaining unit employee plans:
Profit sharing	$	631	$	899	$	779
401(k) matching contributions	2,399		2,390		2,143
ESOP	631		899		779
Nonqualified deferred compensation plan	1,262		1,246		1,258
Bargaining unit employee plans	481		474		496
ESPP - all employees	431		376		364
Total contribution expense	$	5,835	$	6,284	$	5,819

Income Taxes (Tables)

12 Months Ended

Mar. 29, 2020

Income Tax Disclosure [Abstract]

Schedule of provisions for income taxes

The provisions for income taxes for fiscal 2020, 2019 and 2018 were as follows:


	2020		2019		2018
(In thousands)
Federal — current	$	8,447	$	6,956	$	7,024
State — current	3,563		2,748		1,834
Total current	12,010		9,704		8,858

Federal — deferred	(976)		(334)		(14,393)
State — deferred	(445)		(273)		(364)
Total deferred	(1,421)		(607)		(14,757)
Total provision	$	10,589	$	9,097	$	(5,899)

Schedule of effective income tax rate reconciliation

Reconciliations of the provisions for income taxes to the applicable federal statutory income tax rate for fiscal 2020, 2019 and 2018 are listed below.


	2020		2019		2018
Statutory federal income tax	21.0	%	21.0	%	31.5	%
State income taxes, net of federal deduction	5.7	%	5.8	%	(8.3)	%
ESOP dividend deduction on allocated shares	(0.3)	%	(0.3)	%	1.4	%
Domestic production deduction	—	%	—	%	2.7	%
Goodwill impairment	—	%	—	%	(81.7)	%
Revaluation of net deferred tax liabilities	—	%	—	%	92.5	%


Other — net	0.8	%	0.6	%	1.0	%
Total	27.2	%	27.1	%	39.1	%

Schedule of deferred tax assets and liabilities

The tax effects of items comprising our net deferred tax liability as of March 29, 2020 and March 31, 2019 are as follows:


(In thousands)	2020		2019
Deferred tax assets:
Trade receivables	$	212	$	167
Stock compensation accruals	728		654
Pension withdrawal liability	1,435		1,525
Lease liability	2,476		—
Unrealized loss on interest rate swap	29		—
Other	1,982		1,853
Total deferred tax assets	$	6,862	$	4,199
Deferred tax liabilities:
Inventories	$	(2,231)	$	(3,272)
Prepaid expenses	(843)		(764)
Excess of tax over book depreciation	(10,504)		(10,000)
Intangible assets	(15,936)		(16,718)
Unrealized gain on interest rate swap	—		(118)
ROU asset	(2,454)		—
Total deferred tax liabilities	$	(31,968)	$	(30,872)
Net deferred tax liabilities	$	(25,106)	$	(26,673)

Leases (Tables)

12 Months Ended

Mar. 29, 2020

Leases [Abstract]

Other information related to our operating leases

Other information related to our operating leases was as follows:


	March 29, 2020
Lease Term and Discount Rate
Weighted average remaining lease term (years)	8.73
Weighted average discount rate	4.1	%

Lessee, Operating Lease, Liability, Maturity

Maturities of lease liabilities as of March 29, 2020 were as follows:


(In thousands)	Operating Leases
Fiscal 2021	$	1,769
Fiscal 2022	1,556
Fiscal 2023	1,442
Fiscal 2024	1,110
Fiscal 2025	1,124
Thereafter	4,114
Total	$	11,115
Less: Interest	(1,943)
Present value of lease liabilities	$	9,172

Schedule of future minimum rental payments for operating leases


(In thousands)	Operating Leases
Fiscal 2020	$	2,198
Fiscal 2021	1,783
Fiscal 2022	1,407
Fiscal 2023	1,352
Fiscal 2024	1,183
Thereafter	5,473
Total	$	13,396

Segment Information (Tables)

12 Months Ended

Mar. 29, 2020

Segment Reporting [Abstract]

Summary of Segment Information


Reportable Segments	Industrial		Water Treatment		Health and Nutrition		Total
(In thousands)
Fiscal Year Ended March 29, 2020:
Sales	$	275,224	$	159,895	$	105,079	$	540,198
Gross profit	38,936		41,902		20,079		100,917
Selling, general, and administrative expenses	24,123		19,801		15,322		59,246
Operating income	14,813		22,101		4,757		41,671
Identifiable assets*	$	173,068	$	63,506	$	139,780	$	376,354
Capital expenditures	$	14,933	$	9,160	$	456	$	24,549
Fiscal Year Ended March 31, 2019:
Sales	$	281,860	$	149,490	$	124,976	$	556,326
Gross profit	34,900		37,986		23,050		95,936
Selling, general, and administrative expenses	22,759		19,498		16,861		59,118
Operating income (loss)	12,141		18,488		6,189		36,818
Identifiable assets*	$	162,926	$	58,274	$	146,042	$	367,242
Capital expenditures	$	7,319	$	4,506	$	793	$	12,618
Fiscal Year Ended April 1, 2018:
Sales	$	247,374	$	138,465	$	118,330	$	504,169
Gross profit	29,619		36,268		20,873		86,760
Selling, general, and administrative expenses	21,159		19,426		18,818		59,403
Goodwill impairment	—		—		39,116		39,116
Operating income	8,460		16,842		(37,061)		(11,759)
Identifiable assets*	$	165,052	$	58,513	$	153,123	$	376,688
Capital expenditures	$	10,265	$	7,228	$	2,210	$	19,703

Selected Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Mar. 29, 2020

Quarterly Financial Information Disclosure [Abstract]

Schedule of quarterly financial information (Unaudited)


(In thousands, except per share data)	Fiscal 2020
	First		Second		Third		Fourth
Sales	$	147,336	$	140,043	$	120,406	$	132,413
Gross profit	28,797		27,994		21,478		22,648
Selling, general, and administrative expenses	14,836		14,817		14,702		14,891
Operating income	13,961		13,177		6,776		7,757
Net income	9,807		9,250		4,547		4,763
Basic earnings per share	$	0.92	$	0.87	$	0.43	$	0.45
Diluted earnings per share	$	0.92	$	0.87	$	0.43	$	0.45

	Fiscal 2019
	First		Second		Third		Fourth
Sales	$	149,800	$	145,324	$	128,151	$	133,051
Gross profit	28,457		25,772		21,033		20,674
Selling, general, and administrative expenses	14,979		14,941		14,312		14,886
Operating income	13,478		10,831		6,721		5,788
Net income	9,123		7,409		4,130		3,771
Basic earnings per share	$	0.86	$	0.69	$	0.39	$	0.35
Diluted earnings per share	$	0.85	$	0.69	$	0.39	$	0.35

	Fiscal 2018
	First		Second		Third		Fourth
Sales	$	133,731	$	125,395	$	118,053	$	126,990
Gross profit	25,999		24,115		18,840		17,806
Selling, general, and administrative expenses	15,766		14,828		14,139		14,670
Goodwill impairment	—		—		—		39,116
Operating income (loss)	10,233		9,287		4,701		(35,980)
Net income (loss)	5,831		5,210		17,143		(37,361)
Basic earnings (loss) per share	$	0.55	$	0.49	$	1.62	$	(3.51)
Diluted earnings (loss) per share	$	0.55	$	0.49	$	1.61	$	(3.50)

Nature of Business and Significant Accounting Policies -Textual (Details) $ in Thousands	12 Months Ended
	Mar. 29, 2020 Segment	Mar. 31, 2019	Apr. 01, 2018 USD ($)
Number of reportable segments (segment) \| Segment	3
Number of Weeks in Fiscal Year	364 days	364 days	364 days
Number of weeks in next fiscal year	364 days
Percentage of LIFO Inventory	72.00%
Percentage of FIFO inventory	28.00%
Tax effects reclassified from other comprehensive income to retained earnings \| $			$ 100
Maximum [Member]
Number of Weeks in Fiscal Year	371 days
Minimum [Member]
Number of Weeks in Fiscal Year	364 days
Average [Member]
Finite-lived intangible asset, useful life	14 years

Nature of Business and Significant Accounting Policies -PP&E (Details) $ in Thousands	12 Months Ended
	Mar. 29, 2020 USD ($)
Property, Plant and Equipment [Line Items]
Asset Impairment Charges	$ 600
Building and Building Improvements [Member] \| Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, estimated useful lives	10 years
Building and Building Improvements [Member] \| Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, estimated useful lives	40 years
Machinery and Equipment [Member] \| Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, estimated useful lives	3 years
Machinery and Equipment [Member] \| Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, estimated useful lives	20 years
Transportation Equipment [Member] \| Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, estimated useful lives	3 years
Transportation Equipment [Member] \| Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, estimated useful lives	10 years
Office Equipment [Member] \| Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, estimated useful lives	3 years
Office Equipment [Member] \| Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, estimated useful lives	10 years

Nature of Business and Significant Accounting Policies -EPS (Details) - shares	12 Months Ended
	Mar. 29, 2020	Mar. 31, 2019	Apr. 01, 2018
Accounting Policies [Abstract]
Weighted Average Number of Shares Outstanding, Basic	10,579,989	10,654,887	10,607,422
Dilutive impact of stock options, performance units, and restricted stock (shares)	74,411	71,289	36,297
Weighted average common shares outstanding — diluted (shares)	10,654,400	10,726,176	10,643,719
Weighted Average Number Diluted Shares Outstanding Adjustment	0	0	0

Revenue (Details) - USD ($) $ in Thousands	3 Months Ended												12 Months Ended
Revenue (Details) - USD ($) $ in Thousands	Mar. 29, 2020	Dec. 29, 2019	Sep. 29, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 30, 2018	Sep. 30, 2018	Jul. 01, 2018	Apr. 01, 2018	Dec. 31, 2017	Oct. 01, 2017	Jul. 02, 2017	Mar. 29, 2020	Mar. 31, 2019	Apr. 01, 2018
Disaggregation of Revenue [Line Items]
Sales	$ 132,413	$ 120,406	$ 140,043	$ 147,336	$ 133,051	$ 128,151	$ 145,324	$ 149,800	$ 126,990	$ 118,053	$ 125,395	$ 133,731	$ 540,198	$ 556,326	$ 504,169
Industrial [Member]
Disaggregation of Revenue [Line Items]
Sales													275,224	281,860	247,374
Water Treatment [Member]
Disaggregation of Revenue [Line Items]
Sales													159,895	149,490	138,465
Health and Nutrition [Member]
Disaggregation of Revenue [Line Items]
Sales													105,079	124,976	$ 118,330
Bulk / Distributed specialty products [Member]
Disaggregation of Revenue [Line Items]
Sales													158,410	191,827
Bulk / Distributed specialty products [Member] \| Industrial [Member]
Disaggregation of Revenue [Line Items]
Sales													49,864	60,947
Bulk / Distributed specialty products [Member] \| Water Treatment [Member]
Disaggregation of Revenue [Line Items]
Sales													18,481	21,813
Bulk / Distributed specialty products [Member] \| Health and Nutrition [Member]
Disaggregation of Revenue [Line Items]
Sales													90,065	109,067
Manufactured, blended or repackaged products [Member]
Disaggregation of Revenue [Line Items]
Sales													376,848	358,775
Manufactured, blended or repackaged products [Member] \| Industrial [Member]
Disaggregation of Revenue [Line Items]
Sales													222,161	216,874
Manufactured, blended or repackaged products [Member] \| Water Treatment [Member]
Disaggregation of Revenue [Line Items]
Sales													139,917	126,217
Manufactured, blended or repackaged products [Member] \| Health and Nutrition [Member]
Disaggregation of Revenue [Line Items]
Sales													14,770	15,684
Other [Member]
Disaggregation of Revenue [Line Items]
Sales													4,940	5,724
Other [Member] \| Industrial [Member]
Disaggregation of Revenue [Line Items]
Sales													3,199	4,039
Other [Member] \| Water Treatment [Member]
Disaggregation of Revenue [Line Items]
Sales													1,497	1,460
Other [Member] \| Health and Nutrition [Member]
Disaggregation of Revenue [Line Items]
Sales													$ 244	$ 225

Derivative Instruments (Details) - USD ($) $ in Thousands	12 Months Ended
Derivative Instruments (Details) - USD ($) $ in Thousands	Mar. 29, 2020	Mar. 31, 2019	Apr. 01, 2018
Derivative [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	$ (400)	$ (300)	$ 300
Interest Rate Swap [Member]
Derivative [Line Items]
Derivative, Notional Amount	20,000
Cash Flow Hedge Derivative Instrument Liabilities at Fair Value	$ 100
Cash Flow Hedge Derivative Instrument Assets at Fair Value		$ 400	$ 800

Fair Value Measurements (Details) - USD ($) $ in Thousands	Mar. 29, 2020	Mar. 31, 2019	Apr. 01, 2018
Interest Rate Swap [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap, asset		$ 400	$ 800
Interest rate swap, liability	$ 100
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred Compensation Plan Assets	3,564	2,637
Fair Value, Inputs, Level 2 [Member] \| Interest Rate Swap [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap, asset	0	435
Interest rate swap, liability	$ 108	$ 0

Assets Held for Sale (Details) $ in Millions	Mar. 29, 2020 USD ($)
Assets Held For Sale [Abstract]
Assets Held-for-sale, Long Lived, Fair Value Disclosure	$ 0.9

Inventories (Details) - USD ($) $ in Thousands	Mar. 29, 2020	Mar. 31, 2019
Summary of Inventories
Inventory (FIFO basis)	$ 60,090	$ 65,526
LIFO reserve	(5,654)	(5,044)
Net inventory	$ 54,436	$ 60,482

Inventories-Textual (Details) - USD ($) $ in Millions	Mar. 29, 2020	Mar. 31, 2019
Inventories (Textual) [Abstract]
Finished goods (LIFO basis)	$ 43.3	$ 45.2

Goodwill and Intangible Assets-Goodwill Rollforward (Details) $ in Thousands	12 Months Ended
	Mar. 29, 2020 USD ($) Segment	Mar. 31, 2019 USD ($)	Apr. 01, 2018 USD ($)
Goodwill [Line Items]
Number of Reportable Segments \| Segment	3
Goodwill	$ 58,440	$ 58,440	$ 58,440
Industrial [Member]
Goodwill [Line Items]
Goodwill	6,495	6,495	6,495
Water Treatment [Member]
Goodwill [Line Items]
Goodwill	7,000	7,000	7,000
Health and Nutrition [Member]
Goodwill [Line Items]
Goodwill	$ 44,945	$ 44,945	$ 44,945

Goodwill and Intangible Assets-Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 29, 2020	Mar. 31, 2019	Apr. 01, 2018
Finite-Lived Intangible Assets [Line Items]
Amortization of Intangible Assets	$ 5,100	$ 5,500	$ 5,700
Finite-life intangible assets
Gross Amount	88,076	88,076
Accumulated Amortization	(28,650)	(23,577)
Net carrying value	59,426	64,499
Indefinite-life intangible assets	1,227	1,227
Intangible assets, Gross Carrying Amount	89,303	89,303
Intangible assets, Accumulated Amortization	(28,650)	(23,577)
Total intangible assets, net	60,653	65,726
Customer relationships [Member]
Finite-life intangible assets
Gross Amount	78,383	78,383
Accumulated Amortization	(21,400)	(16,910)
Net carrying value	56,983	61,473
Trademarks [Member]
Finite-life intangible assets
Gross Amount	6,045	6,045
Accumulated Amortization	(3,640)	(3,115)
Net carrying value	2,405	2,930
Other finite-life intangible assets [Member]
Finite-life intangible assets
Gross Amount	3,648	3,648
Accumulated Amortization	(3,610)	(3,552)
Net carrying value	$ 38	$ 96

Goodwill and Intangible Assets-Future Amortization (Details) $ in Thousands	Mar. 29, 2020 USD ($)
Estimated amortization expense [Abstract]
2021	$ 5,028
2022	4,891
2023	4,891
2024	4,891
2025	$ 4,891

Debt (Details Textual) - USD ($) $ in Thousands	12 Months Ended
Debt (Details Textual) - USD ($) $ in Thousands	Mar. 29, 2020	Mar. 31, 2019	Apr. 01, 2018	Nov. 30, 2018	Nov. 29, 2018
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity				$ 150,000
Revolving Loan Facility Letter of Credit				5,000
Revolving Loan Facility Swingline Subfacility				15,000
Payment for Debt Extinguishment or Debt Prepayment Cost	$ 91,000
Line of Credit Facility, Interest Rate at Period End	2.30%
Payments of Debt Issuance Costs	$ 0	$ 183	$ 0
Unamortized Debt Issuance Expense	$ 342	$ 435		$ 200	$ 300
Minimum [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.15%
Maximum [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.25%

Debt (Details) - USD ($) $ in Thousands	Mar. 29, 2020	Mar. 31, 2019	Nov. 30, 2018	Nov. 29, 2018
Debt Instrument [Line Items]
Unamortized Debt Issuance Expense	$ (342)	$ (435)	$ (200)	$ (300)
Total debt, net of debt issuance costs	59,658	84,565
Less Current Portion of Long-term Debt	(9,907)	(9,907)
Long-term Debt, Excluding Current Maturities	49,751	74,658
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Total long-term Debt	$ 60,000	$ 85,000

Share Based Compensation-Restricted and Performance Shares Rollforward (Details) - $ / shares	12 Months Ended
	Mar. 29, 2020	Mar. 31, 2019	Apr. 01, 2018
Performance-Based Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Beginning Balance, Shares	32,883	51,143
Granted, Shares	69,252	7,818
Vested, Shares	(27,620)	(24,567)
Forfeited or expired, Shares	0	(1,511)
Ending Balance, Shares	74,515	32,883	51,143
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Beginning Balance, Weighted average grant date fair value (usd per share)	$ 43.66	$ 45.39
Granted, Weighted average grant date fair value (usd per share)	34.49	31.35	$ 47.50
Vested, Weighted average grant date fair value (usd per share)	46.01	43.10
Forfeited or expired, Weighted average grant date fair value (usd per share)		47.50
Ending Balance, Weighted average grant date fair value (usd per share)	$ 34.27	$ 43.66	$ 45.39
Restricted Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Beginning Balance, Shares	8,352	8,484
Granted, Shares	8,008	8,352
Vested, Shares	(8,352)	(8,484)
Forfeited or expired, Shares	0	0
Ending Balance, Shares	8,008	8,352	8,484
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Beginning Balance, Weighted average grant date fair value (usd per share)	$ 35.90	$ 41.25
Granted, Weighted average grant date fair value (usd per share)	43.67	35.90
Vested, Weighted average grant date fair value (usd per share)	35.90	41.25
Forfeited or expired, Weighted average grant date fair value (usd per share)	0	0
Ending Balance, Weighted average grant date fair value (usd per share)	$ 43.67	$ 35.90	$ 41.25

Share Based Compensation-Textual (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Mar. 29, 2020	Mar. 31, 2019	Apr. 01, 2018
Performance-Based Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of restricted stock to be issued minimum	0
Range of restricted stock to be issued maximum	69,632
Vesting period	2 years
Weighted average grant date fair value (usd per share)	$ 34.49	$ 31.35	$ 47.50
Compensation expense	$ 1.5	$ 1.3	$ 0.7
Equity instruments other than options, vested in period, total fair value	1.3	$ 1.1	0.0
Cost not yet recognized	$ 2.3
Performance-Based Restricted Stock [Member] \| Weighted Average [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cost not yet recognized, period for recognition	1 year 4 months 24 days
Restricted Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant date fair value (usd per share)	$ 43.67	$ 35.90
Compensation expense	$ 0.3	$ 0.3	$ 0.3
Cost not yet recognized	$ 0.1
Restricted Stock Awards [Member] \| Weighted Average [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cost not yet recognized, period for recognition	3 months 18 days

Share Repurchase Program (Details) - USD ($) $ in Millions	12 Months Ended
Share Repurchase Program (Details) - USD ($) $ in Millions	Mar. 29, 2020	Mar. 31, 2019	Apr. 01, 2018
Stock Repurchased During Period, Value	$ 5.9	$ 4.4
Stock Repurchase Program, Number of Shares Authorized to be Repurchased	800,000
Stock Repurchased During Period, Value	$ 5.9	$ 4.4
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased	358,797
Common Stock [Member]
Stock Repurchased During Period, Shares	145,583	108,166	0
Stock Repurchased During Period, Shares	145,583	108,166	0

Profit Sharing, Employee Stock Ownership, Employee Stock Purchase and Pension Plans (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 29, 2020	Mar. 31, 2019	Apr. 01, 2018
Defined Contribution Plan Disclosure [Line Items]
Profit sharing	$ 631	$ 899	$ 779
401(k) matching contributions	2,399	2,390	2,143
ESOP	631	899	779
Nonqualified deferred compensation plan	1,262	1,246	1,258
ESPP - all employees	431	376	364
Total contribution expense	5,835	6,284	5,819
Bargaining Unit Employee Plans [Member]
Defined Contribution Plan Disclosure [Line Items]
Bargaining unit employee plans	$ 481	$ 474	$ 496

Profit Sharing, Employee Stock Ownership, Employee Stock Purchase and Pension Plans -Textual (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 29, 2020	Mar. 31, 2019	Apr. 01, 2018
Defined Contribution Plan Disclosure [Line Items]
Multi Employer Pension Plan Withdrawal Liability Payment Over Period of Years	$ 467
Common Stock [Member]
Defined Contribution Plan Disclosure [Line Items]
ESPP shares issued (shares)	38,550	43,678	41,304
401 (k) plan [Member] \| Qualified Plan [Member] \| Maximum [Member]
Defined Contribution Plan Disclosure [Line Items]
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	5.00%
Deferred Profit Sharing [Member] \| Qualified Plan [Member] \| Minimum [Member]
Defined Contribution Plan Disclosure [Line Items]
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	2.50%	2.50%	2.50%
Deferred Profit Sharing [Member] \| Qualified Plan [Member] \| Maximum [Member]
Defined Contribution Plan Disclosure [Line Items]
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	5.00%	5.00%	5.00%
Deferred Profit Sharing [Member] \| Nonqualified Plan [Member] \| Maximum [Member]
Defined Contribution Plan Disclosure [Line Items]
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	10.00%	10.00%	10.00%
Employee Stock Ownership Plan (ESOP), Plan [Domain] \| Qualified Plan [Member] \| Minimum [Member]
Defined Contribution Plan Disclosure [Line Items]
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	2.50%	2.50%	2.50%
Employee Stock Ownership Plan (ESOP), Plan [Domain] \| Qualified Plan [Member] \| Maximum [Member]
Defined Contribution Plan Disclosure [Line Items]
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	5.00%	5.00%	5.00%
Bargaining Unit Employee Plans [Member] \| Deferred Profit Sharing [Member] \| Qualified Plan [Member] \| Minimum [Member]
Defined Contribution Plan Disclosure [Line Items]
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	2.50%
Bargaining Unit Employee Plans [Member] \| Deferred Profit Sharing [Member] \| Qualified Plan [Member] \| Maximum [Member]
Defined Contribution Plan Disclosure [Line Items]
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	5.00%

Commitment and Contingencies-Textual (Details) $ in Thousands	12 Months Ended
	Mar. 29, 2020 USD ($) lease	Mar. 31, 2019 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Environmental Remediation Expense		$ 600
Accrual for Environmental Loss Contingencies	$ 100	$ 400
Number of Leases \| lease	3

Income Taxes-Provision of Income Tax (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 29, 2020	Mar. 31, 2019	Apr. 01, 2018
Income Tax Examination [Line Items]
Federal — current	$ 8,447	$ 6,956	$ 7,024
State — current	3,563	2,748	1,834
Total current	12,010	9,704	8,858
Federal — deferred	(976)	(334)	(14,393)
State — deferred	(445)	(273)	(364)
Total deferred	(1,421)	(607)	(14,757)
Total provision	$ 10,589	$ 9,097	$ (5,899)

Income Taxes-Effective Income Tax Rate Reconciliation (Details)	9 Months Ended	12 Months Ended
	Dec. 31, 2017	Mar. 29, 2020	Mar. 31, 2019	Apr. 01, 2018
Income Tax Disclosure [Abstract]
Statutory federal income tax (percent)	35.00%	21.00%	21.00%	31.50%
State income taxes, net of federal deduction (percent)		5.70%	5.80%	(8.30%)
ESOP dividend deduction on allocated shares (percent)		(0.30%)	(0.30%)	1.40%
Domestic production deduction (percent)		0.00%	0.00%	2.70%
Goodwill impairment (percent)		0.00%	0.00%	(81.70%)
Revaluation of net deferred tax liabilities (percent)		0.00%	0.00%	92.50%
Other — net (percent)		0.80%	0.60%	1.00%
Total (percent)		27.20%	27.10%	39.10%

Income Taxes Income Taxes-Deferred Tax Assets (Details) - USD ($) $ in Thousands	Mar. 29, 2020	Mar. 31, 2019
Deferred tax assets:
Trade receivables	$ 212	$ 167
Stock compensation accruals	728	654
Pension withdrawal liability	1,435	1,525
Lease liability	2,476	0
Unrealized loss on interest rate swap	29	0
Other	1,982	1,853
Total deferred tax assets	6,862	4,199
Deferred tax liabilities:
Inventories	(2,231)	(3,272)
Prepaid expenses	(843)	(764)
Excess of tax over book depreciation	(10,504)	(10,000)
Intangible assets	(15,936)	(16,718)
Unrealized gain on interest rate swap	0	(118)
ROU asset	2,454	0
Total deferred tax liabilities	(31,968)	(30,872)
Net deferred tax liabilities	$ (25,106)	$ (26,673)

Income Taxes-Textual (Details) - USD ($) $ in Thousands	3 Months Ended				9 Months Ended	12 Months Ended
Income Taxes-Textual (Details) - USD ($) $ in Thousands	Apr. 01, 2018	Dec. 31, 2017	Oct. 01, 2017	Jul. 02, 2017	Dec. 31, 2017	Mar. 29, 2020	Mar. 31, 2019	Apr. 01, 2018
Income Tax Contingency [Line Items]
Statutory federal income tax (percent)					35.00%	21.00%	21.00%	31.50%
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability							$ (13,900)
Goodwill Impairment	$ 39,116	$ 0	$ 0	$ 0		$ 0	$ 0	$ 39,116

Leases (Details) - USD ($) $ in Thousands	12 Months Ended
Leases (Details) - USD ($) $ in Thousands	Mar. 29, 2020	Apr. 01, 2019	Mar. 31, 2019
Leases [Abstract]
Right-of-use assets	$ 9,090	$ 10,400	$ 0
Operating Lease, Liability	$ 9,172	$ 10,400
Lessee, Operating Lease, Option to Extend	10 years
Operating Leases, Rent Expense, Net	$ 2,800
Weighted average remaining lease term (years)	8 years 8 months 23 days
Weighted average discount rate	4.10%
Fiscal 2021	$ 1,769
Fiscal 2022	1,556
Fiscal 2023	1,442
Fiscal 2024	1,110
Fiscal 2025	1,124
Thereafter	4,114
Total	11,115
Less: Interest	$ 1,943
Fiscal 2020			2,198
Fiscal 2021			1,783
Fiscal 2022			1,407
Fiscal 2023			1,352
Fiscal 2024			1,183
Thereafter			5,473
Total			$ 13,396
Minimum [Member]
Leases [Abstract]
Lessee, Operating Lease, Renewal Term	1 year
Lessee, Operating Lease, Renewal Term	1 year
Maximum [Member]
Leases [Abstract]
Lessee, Operating Lease, Renewal Term	24 years
Lessee, Operating Lease, Renewal Term	24 years

Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended												12 Months Ended
Segment Information (Details) - USD ($) $ in Thousands	Mar. 29, 2020	Dec. 29, 2019	Sep. 29, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 30, 2018	Sep. 30, 2018	Jul. 01, 2018	Apr. 01, 2018	Dec. 31, 2017	Oct. 01, 2017	Jul. 02, 2017	Mar. 29, 2020	Mar. 31, 2019	Apr. 01, 2018
Summary of Segment Information
Sales	$ 132,413	$ 120,406	$ 140,043	$ 147,336	$ 133,051	$ 128,151	$ 145,324	$ 149,800	$ 126,990	$ 118,053	$ 125,395	$ 133,731	$ 540,198	$ 556,326	$ 504,169
Gross profit	22,648	21,478	27,994	28,797	20,674	21,033	25,772	28,457	17,806	18,840	24,115	25,999	100,917	95,936	86,760
Selling, general, and administrative expenses	14,891	14,702	14,817	14,836	14,886	14,312	14,941	14,979	14,670	14,139	14,828	15,766	59,246	59,118	59,403
Goodwill Impairment									39,116	0	0	0	0	0	39,116
Operating income	7,757	$ 6,776	$ 13,177	$ 13,961	5,788	$ 6,721	$ 10,831	$ 13,478	(35,980)	$ 4,701	$ 9,287	$ 10,233	41,671	36,818	(11,759)
Identifiable assets	376,354				367,242				376,688				376,354	367,242	376,688
Capital expenditures													24,549	12,618	19,703
Industrial [Member]
Summary of Segment Information
Sales													275,224	281,860	247,374
Gross profit													38,936	34,900	29,619
Selling, general, and administrative expenses													24,123	22,759	21,159
Goodwill Impairment															0
Operating income													14,813	12,141	8,460
Identifiable assets	173,068				162,926				165,052				173,068	162,926	165,052
Capital expenditures													14,933	7,319	10,265
Water Treatment [Member]
Summary of Segment Information
Sales													159,895	149,490	138,465
Gross profit													41,902	37,986	36,268
Selling, general, and administrative expenses													19,801	19,498	19,426
Goodwill Impairment															0
Operating income													22,101	18,488	16,842
Identifiable assets	63,506				58,274				58,513				63,506	58,274	58,513
Capital expenditures													9,160	4,506	7,228
Health and Nutrition [Member]
Summary of Segment Information
Sales													105,079	124,976	118,330
Gross profit													20,079	23,050	20,873
Selling, general, and administrative expenses													15,322	16,861	18,818
Goodwill Impairment															39,116
Operating income													4,757	6,189	(37,061)
Identifiable assets	139,780				146,042				153,123				139,780	146,042	153,123
Capital expenditures													456	793	2,210
Unallocated Amount to Segment [Member]
Summary of Segment Information
Identifiable assets	$ 13,000				$ 18,400				$ 14,300				$ 13,000	$ 18,400	$ 14,300

Segment Information-Textual (Details) $ in Millions	12 Months Ended
Segment Information-Textual (Details) $ in Millions	Mar. 29, 2020 USD ($) Segment
Segment Reporting Information [Line Items]
Number of reportable segments (segment)	3
Intersegment Sales \| $	$ 0
Number of Operating Segments Aggregated	0

Selected Quarterly Financial Data (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended												12 Months Ended
	Mar. 29, 2020	Dec. 29, 2019	Sep. 29, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 30, 2018	Sep. 30, 2018	Jul. 01, 2018	Apr. 01, 2018	Dec. 31, 2017	Oct. 01, 2017	Jul. 02, 2017	Mar. 29, 2020	Mar. 31, 2019	Apr. 01, 2018
Quarterly Financial Information Disclosure [Abstract]
Sales	$ 132,413	$ 120,406	$ 140,043	$ 147,336	$ 133,051	$ 128,151	$ 145,324	$ 149,800	$ 126,990	$ 118,053	$ 125,395	$ 133,731	$ 540,198	$ 556,326	$ 504,169
Gross profit	22,648	21,478	27,994	28,797	20,674	21,033	25,772	28,457	17,806	18,840	24,115	25,999	100,917	95,936	86,760
Selling, general, and administrative expenses	14,891	14,702	14,817	14,836	14,886	14,312	14,941	14,979	14,670	14,139	14,828	15,766	59,246	59,118	59,403
Goodwill Impairment									39,116	0	0	0	0	0	39,116
Operating income	7,757	6,776	13,177	13,961	5,788	6,721	10,831	13,478	(35,980)	4,701	9,287	10,233	41,671	36,818	(11,759)
Net (loss) income	$ 4,763	$ 4,547	$ 9,250	$ 9,807	$ 3,771	$ 4,130	$ 7,409	$ 9,123	$ (37,361)	$ 17,143	$ 5,210	$ 5,831	$ 28,367	$ 24,433	$ (9,177)
Basic earnings (loss) per share	$ 0.45	$ 0.43	$ 0.87	$ 0.92	$ 0.35	$ 0.39	$ 0.69	$ 0.86	$ (3.51)	$ 1.62	$ 0.49	$ 0.55	$ 2.68	$ 2.29	$ (0.87)
Diluted earnings (loss) per share	$ 0.45	$ 0.43	$ 0.87	$ 0.92	$ 0.35	$ 0.39	$ 0.69	$ 0.85	$ (3.50)	$ 1.61	$ 0.49	$ 0.55	$ 2.66	$ 2.28	$ (0.86)

- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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+ Details

- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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+ Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References + Details

Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 29, 2020	Mar. 31, 2019	Apr. 01, 2018	Apr. 02, 2017
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]
Allowance for doubtful accounts receivable	$ 784	$ 620	$ 942	$ 468
Valuation Allowances and Reserves, Additions for Adjustments	448	92	509
Valuation Allowances and Reserves, Deductions	$ 284	$ 414	$ 35