Business Combinations (Details) - USD ($)		3 Months Ended
Business Combinations (Details) - USD ($)	Apr. 25, 2025	Jun. 29, 2025	Mar. 30, 2025	Dec. 29, 2024	Jun. 30, 2024
Asset Acquisition [Line Items]
Business Combination, Contingent Consideration, Liability		$ 54,021,000	$ 12,604,000
Proceeds from revolving loan borrowings		160,000,000			$ 45,000,000
WaterSurplus, Inc.
Asset Acquisition [Line Items]
Payments to Acquire Businesses, Gross	$ 149,900,000
Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Amount	53,700,000
Business Combination, Contingent Consideration, Liability	43,000,000
Goodwill, Acquired During Period	82,700,000
Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment	13,100,000
Proceeds from revolving loan borrowings		150,000,000
Amortization of Intangible Assets		94,000,000
Business Combination, Pro Forma Information [Line Items]
Business Combination, Pro Forma Information, Pro Forma Revenue		295,427			263,673
Business Combination, Pro Forma Information, Pro Forma Income (Loss), after Tax		$ 28,203			$ 25,695
Basic Earnings Per Share, Pro Forma		$ 1.36			$ 1.23
Diluted Earnings Per Share Pro Forma		$ 1.36			$ 1.23
WaterSurplus, Inc. \| Customer Lists
Asset Acquisition [Line Items]
Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived	78,000,000
WaterSurplus, Inc. \| Trade Names
Asset Acquisition [Line Items]
Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived	6,000,000.0
WaterSurplus, Inc. \| Other Intangible Assets
Asset Acquisition [Line Items]
Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived	$ 10,000,000
Amerochem Corporation
Asset Acquisition [Line Items]
Payments to Acquire Businesses, Gross			$ 44,000,000
Waterguard, Inc.
Asset Acquisition [Line Items]
Payments to Acquire Businesses, Gross				$ 18,000,000
Wofford Water Service, Inc.
Asset Acquisition [Line Items]
Payments to Acquire Businesses, Gross					$ 3,400,000
Intercoastal Trading, Inc. [Member]
Asset Acquisition [Line Items]
Payments to Acquire Businesses, Gross					$ 22,000,000

HAWKINS INC 10-Q