SEGMENT AND GEOGRAPHIC INFORMATION (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Segment Reporting Information
Net sales	$ 460,900	$ 484,551
Operating income/(loss)	47,936	52,606
Total assets	1,773,107		$ 1,728,122
Corporate And Eliminations
Segment Reporting Information
Net sales	(34,800)	(37,700)
Operating income/(loss)	(19,800)	(21,900)
Total assets	62,700		61,700
Water Systems | Operating Segments
Segment Reporting Information
Net sales	286,600	306,600
Operating income/(loss)	47,100	49,000
Total assets	1,053,700		1,044,400
Water Systems | United States & Canada
Segment Reporting Information
Net sales	137,900	159,400
Water Systems | United States & Canada | Intersegment Sales
Segment Reporting Information
Net sales	34,800	37,700
Water Systems | Latin America
Segment Reporting Information
Net sales	41,300	40,300
Water Systems | EMEA
Segment Reporting Information
Net sales	52,300	50,400
Water Systems | Asia Pacific
Segment Reporting Information
Net sales	20,300	18,800
Distribution | Operating Segments
Segment Reporting Information
Net sales	147,000	143,000
Operating income/(loss)	1,800	4,700
Total assets	402,200		365,600
Distribution | United States & Canada
Segment Reporting Information
Net sales	147,000	143,000
Distribution | United States & Canada | Intersegment Sales
Segment Reporting Information
Net sales	0	0
Fueling Systems | Operating Segments
Segment Reporting Information
Net sales	62,100	72,700
Operating income/(loss)	18,800	20,800
Total assets	254,500		$ 256,400
Fueling Systems | Intersegment Sales
Segment Reporting Information
Net sales	0	0
Fueling Systems | United States & Canada
Segment Reporting Information
Net sales	46,800	54,000
Fueling Systems | All Other
Segment Reporting Information
Net sales	15,300	18,700
Consolidated
Segment Reporting Information
Net sales	$ 460,900	$ 484,600