Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2024	Jul. 02, 2023
Segment Reporting Information [Line Items]
Sales	$ 255,879	$ 251,120
Gross profit	64,655	51,991
Selling, general, and administrative expenses	24,864	19,504
Operating income	39,791	32,487
Water Treatment [Member]
Segment Reporting Information [Line Items]
Sales	117,176	93,651
Gross profit	34,955	26,408
Selling, general, and administrative expenses	14,166	9,126
Operating income	20,789	17,282
Industrial [Member]
Segment Reporting Information [Line Items]
Sales	103,202	120,873
Gross profit	21,876	19,306
Selling, general, and administrative expenses	6,639	6,575
Operating income	15,237	12,731
Health and Nutrition [Member]
Segment Reporting Information [Line Items]
Sales	35,501	36,596
Gross profit	7,824	6,277
Selling, general, and administrative expenses	4,059	3,803
Operating income	$ 3,765	$ 2,474