GOODWILL AND OTHER INTANGIBLE ASSETS (Goodwill) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Goodwill
Goodwill, beginning balance	$ 329,630	$ 266,700
Acquisitions	1,200	65,900
Adjustments to prior year acquisitions	100	(100)
Foreign currency translation	(2,900)	(2,900)
Goodwill, ending balance	328,046	329,630
Water Systems
Goodwill
Goodwill, beginning balance	213,900	161,500
Acquisitions	0	55,400
Adjustments to prior year acquisitions	500	(100)
Foreign currency translation	(2,500)	(2,900)
Goodwill, ending balance	211,900	213,900
Fueling Systems
Goodwill
Goodwill, beginning balance	70,700	67,700
Acquisitions	0	3,000
Adjustments to prior year acquisitions	0	0
Foreign currency translation	(400)	0
Goodwill, ending balance	70,300	70,700
Distribution [Member]
Goodwill
Goodwill, beginning balance	45,000	37,500
Acquisitions	1,200	7,500
Adjustments to prior year acquisitions	(400)	0
Foreign currency translation	0	0
Goodwill, ending balance	$ 45,800	$ 45,000