SEGMENT AND GEOGRAPHIC INFORMATION (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Segment Reporting Information
Net sales	$ 531,438	$ 538,431	$ 1,535,596	$ 1,592,163
Operating income/(loss)	73,526	78,104	200,611	211,613
Total assets	1,807,243		1,807,243		$ 1,728,122
Corporate And Eliminations
Segment Reporting Information
Net sales	(31,300)	(24,300)	(102,000)	(88,000)
Operating income/(loss)	(15,600)	(11,100)	(54,400)	(47,400)
Total assets	101,500		101,500		61,700
Water Systems | Operating Segments
Segment Reporting Information
Net sales	302,200	295,800	904,400	924,100
Operating income/(loss)	52,800	52,700	162,300	152,500
Total assets	1,052,100		1,052,100		1,044,400
Water Systems | United States & Canada
Segment Reporting Information
Net sales	152,300	157,700	448,000	494,000
Water Systems | United States & Canada | Intersegment Sales
Segment Reporting Information
Net sales	31,300	24,300	102,000	88,000
Water Systems | Latin America
Segment Reporting Information
Net sales	43,500	45,500	126,600	127,800
Water Systems | EMEA
Segment Reporting Information
Net sales	53,400	48,700	161,700	153,700
Water Systems | Asia Pacific
Segment Reporting Information
Net sales	21,700	19,600	66,100	60,600
Distribution | Operating Segments
Segment Reporting Information
Net sales	190,800	189,200	528,300	525,300
Operating income/(loss)	12,200	10,700	23,800	33,200
Total assets	398,000		398,000		365,600
Distribution | United States & Canada
Segment Reporting Information
Net sales	190,800	189,200	528,300	525,300
Distribution | United States & Canada | Intersegment Sales
Segment Reporting Information
Net sales	0	0	0	0
Fueling Systems | Operating Segments
Segment Reporting Information
Net sales	69,700	77,700	204,900	230,800
Operating income/(loss)	24,100	25,800	68,900	73,300
Total assets	255,600		255,600		$ 256,400
Fueling Systems | Intersegment Sales
Segment Reporting Information
Net sales	0	0	0	0
Fueling Systems | United States & Canada
Segment Reporting Information
Net sales	55,100	58,500	160,200	172,800
Fueling Systems | All Other
Segment Reporting Information
Net sales	14,600	19,200	44,700	58,000
Consolidated
Segment Reporting Information
Net sales	$ 531,400	$ 538,400	$ 1,535,600	$ 1,592,200