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Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 29, 2024	Dec. 31, 2023	Dec. 29, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Sales	$ 226,205	$ 208,496	$ 729,113	$ 696,142
Gross profit	48,424	42,248	173,301	148,125
Selling, general, and administrative expenses	27,361	23,774	78,702	64,173
Operating income	21,063	18,474	94,599	83,952
Water Treatment [Member]
Segment Reporting Information [Line Items]
Sales	99,752	82,019	341,456	276,595
Gross profit	26,027	20,241	96,572	75,957
Selling, general, and administrative expenses	16,054	12,470	45,732	31,741
Operating income	9,973	7,771	50,840	44,216
Industrial [Member]
Segment Reporting Information [Line Items]
Sales	91,997	92,990	285,135	312,398
Gross profit	15,180	16,495	55,324	53,645
Selling, general, and administrative expenses	7,058	7,292	20,649	20,673
Operating income	8,122	9,203	34,675	32,972
Health and Nutrition [Member]
Segment Reporting Information [Line Items]
Sales	34,456	33,487	102,522	107,149
Gross profit	7,217	5,512	21,405	18,523
Selling, general, and administrative expenses	4,249	4,012	12,321	11,759
Operating income	$ 2,968	$ 1,500	$ 9,084	$ 6,764

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