BUSINESS DESCRIPTION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Aug. 30, 2022	Jun. 21, 2022
Goodwill [Line Items]
Goodwill	$ 778,907	$ 769,509
Goodwill [Roll Forward]
Goodwill, beginning of period	769,509	523,949
Impact due to change in foreign exchange rates	9,057	(1,944)
Goodwill, end of period	778,907	769,509
HNH
Goodwill [Line Items]
Goodwill	673,207	665,804
Goodwill [Roll Forward]
Goodwill, beginning of period	665,804
Goodwill, end of period	673,207	665,804
ANH
Goodwill [Line Items]
Goodwill	24,469	24,218
Goodwill [Roll Forward]
Goodwill, beginning of period	24,218
Goodwill, end of period	24,469	24,218
Specialty Products
Goodwill [Line Items]
Goodwill	81,175	79,429
Goodwill [Roll Forward]
Goodwill, beginning of period	79,429
Goodwill, end of period	81,175	79,429
Other and Unallocated
Goodwill [Line Items]
Goodwill	56	58
Goodwill [Roll Forward]
Goodwill, beginning of period	58
Goodwill, end of period	56	58
Kappa
Goodwill [Line Items]
Goodwill				$ 216,383
Goodwill [Roll Forward]
Goodwill, acquired during period		216,295
Bergstrom
Goodwill [Line Items]
Goodwill			$ 31,550
Goodwill [Roll Forward]
Goodwill, acquired during period	$ 341	$ 31,209