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Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 29, 2024	Dec. 31, 2023	Dec. 29, 2024	Dec. 31, 2023
Disaggregation of Revenue [Line Items]
Revenue	$ 226,205	$ 208,496	$ 729,113	$ 696,142
Manufactured, blended or repackaged products
Disaggregation of Revenue [Line Items]
Revenue	174,913	159,576	567,959	542,989
Distributed specialty products
Disaggregation of Revenue [Line Items]
Revenue	25,018	25,678	80,956	77,945
Bulk products
Disaggregation of Revenue [Line Items]
Revenue	23,211	20,550	70,551	64,990
Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	3,063	2,692	9,647	10,218
Water Treatment [Member]
Disaggregation of Revenue [Line Items]
Revenue	99,752	82,019	341,456	276,595
Water Treatment [Member] | Manufactured, blended or repackaged products
Disaggregation of Revenue [Line Items]
Revenue	89,367	73,406	307,902	249,155
Water Treatment [Member] | Distributed specialty products
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Water Treatment [Member] | Bulk products
Disaggregation of Revenue [Line Items]
Revenue	9,136	7,629	29,808	23,710
Water Treatment [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,249	984	3,746	3,730
Industrial [Member]
Disaggregation of Revenue [Line Items]
Revenue	91,997	92,990	285,135	312,398
Industrial [Member] | Manufactured, blended or repackaged products
Disaggregation of Revenue [Line Items]
Revenue	76,306	78,313	239,024	264,878
Industrial [Member] | Distributed specialty products
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Industrial [Member] | Bulk products
Disaggregation of Revenue [Line Items]
Revenue	14,075	12,921	40,743	41,280
Industrial [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,616	1,756	5,368	6,240
Health and Nutrition [Member]
Disaggregation of Revenue [Line Items]
Revenue	34,456	33,487	102,522	107,149
Health and Nutrition [Member] | Manufactured, blended or repackaged products
Disaggregation of Revenue [Line Items]
Revenue	9,240	7,857	21,033	28,956
Health and Nutrition [Member] | Distributed specialty products
Disaggregation of Revenue [Line Items]
Revenue	25,018	25,678	80,956	77,945
Health and Nutrition [Member] | Bulk products
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Health and Nutrition [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 198	$ (48)	$ 533	$ 248

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