Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
Jun. 30, 2024	Jul. 02, 2023
Disaggregation of Revenue [Line Items]
Revenue	$ 255,879	$ 251,120
Manufactured, blended or repackaged products
Disaggregation of Revenue [Line Items]
Revenue	198,473	197,701
Distributed specialty products
Disaggregation of Revenue [Line Items]
Revenue	29,646	26,154
Bulk products
Disaggregation of Revenue [Line Items]
Revenue	24,348	22,731
Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	3,412	4,534
Water Treatment [Member]
Disaggregation of Revenue [Line Items]
Revenue	117,176	93,651
Water Treatment [Member] \| Manufactured, blended or repackaged products
Disaggregation of Revenue [Line Items]
Revenue	105,007	84,785
Water Treatment [Member] \| Distributed specialty products
Disaggregation of Revenue [Line Items]
Revenue	0	0
Water Treatment [Member] \| Bulk products
Disaggregation of Revenue [Line Items]
Revenue	10,918	7,521
Water Treatment [Member] \| Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,251	1,345
Industrial [Member]
Disaggregation of Revenue [Line Items]
Revenue	103,202	120,873
Industrial [Member] \| Manufactured, blended or repackaged products
Disaggregation of Revenue [Line Items]
Revenue	87,783	102,675
Industrial [Member] \| Distributed specialty products
Disaggregation of Revenue [Line Items]
Revenue	0	0
Industrial [Member] \| Bulk products
Disaggregation of Revenue [Line Items]
Revenue	13,430	15,210
Industrial [Member] \| Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,989	2,988
Health and Nutrition [Member]
Disaggregation of Revenue [Line Items]
Revenue	35,501	36,596
Health and Nutrition [Member] \| Manufactured, blended or repackaged products
Disaggregation of Revenue [Line Items]
Revenue	5,683	10,241
Health and Nutrition [Member] \| Distributed specialty products
Disaggregation of Revenue [Line Items]
Revenue	29,646	26,154
Health and Nutrition [Member] \| Bulk products
Disaggregation of Revenue [Line Items]
Revenue	0	0
Health and Nutrition [Member] \| Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 172	$ 201

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details