GOODWILL AND OTHER INTANGIBLE ASSETS (Goodwill) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Goodwill
Goodwill, beginning balance	$ 328,046	$ 329,600
Acquisitions	12,800	1,200
Adjustments to prior year acquisitions	100	100
Foreign currency translation	1,500	(2,900)
Goodwill, ending balance	342,404	328,046
Water Systems
Goodwill
Goodwill, beginning balance	211,900	213,900
Acquisitions	8,000	0
Adjustments to prior year acquisitions	100	500
Foreign currency translation	1,400	(2,500)
Goodwill, ending balance	221,400	211,900
Fueling Systems
Goodwill
Goodwill, beginning balance	70,300	70,700
Acquisitions	0	0
Adjustments to prior year acquisitions	0	0
Foreign currency translation	100	(400)
Goodwill, ending balance	70,400	70,300
Distribution [Member]
Goodwill
Goodwill, beginning balance	45,800	45,000
Acquisitions	4,800	1,200
Adjustments to prior year acquisitions	0	(400)
Foreign currency translation	0	0
Goodwill, ending balance	$ 50,600	$ 45,800