SIGNIFICANT ACQUISITIONS AND DIVESTITURES - Narrative (Details) € in Thousands, $ in Thousands				1 Months Ended		12 Months Ended
	Dec. 13, 2019 USD ($)	May 27, 2019 USD ($)	May 27, 2019 EUR (€)	May 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	May 27, 2019 EUR (€)
Business Acquisition [Line Items]
Cash paid for acquisitions, net of cash acquired						$ 0	$ 0	$ 141,062
Goodwill					$ 523,998	523,949	529,463	523,998
Transaction and integration related costs						448	2,011	2,273
HNH
Business Acquisition [Line Items]
Goodwill						424,044	424,051
Zumbro
Business Acquisition [Line Items]
Payment made on acquisition date					52,403
Amount paid to former shareholders					47,058
Debt paid on purchase date	$ 5,345
Cash and cash equivalents	686
Cash paid for acquisitions, net of cash acquired					$ 46,372
Working capital acquired				$ 561
Goodwill	18,505
Translated amount on acquisition date	51,842
Translated amount paid to shareholders	$ 46,497
Zumbro | Customer relationships
Business Acquisition [Line Items]
Useful life of intangible assets acquired	15 years
Zumbro | Trade name
Business Acquisition [Line Items]
Useful life of intangible assets acquired	10 years
Zumbro | Developed technology
Business Acquisition [Line Items]
Useful life of intangible assets acquired	12 years
Zumbro | HNH
Business Acquisition [Line Items]
Expected deductible amount	$ 4,723
Chemogas
Business Acquisition [Line Items]
Payment made on acquisition date | €			€ 99,503
Amount paid to former shareholders | €			88,579
Debt paid on purchase date		$ 12,222							€ 10,924
Cash and cash equivalents		4,412							€ 3,943
Cash paid for acquisitions, net of cash acquired		94,690	€ 84,636
Goodwill		$ 59,319
Percentage of outstanding common shares acquired		100.00%							100.00%
Translated amount on acquisition date		$ 111,324
Translated amount paid to shareholders		$ 99,102
Chemogas | Customer relationships
Business Acquisition [Line Items]
Useful life of intangible assets acquired		20 years	20 years
Chemogas | Trade name
Business Acquisition [Line Items]
Useful life of intangible assets acquired		2 years	2 years
Chemogas | Developed technology
Business Acquisition [Line Items]
Useful life of intangible assets acquired		10 years	10 years
Chemogas and Zumbro
Business Acquisition [Line Items]
Transaction and integration related costs						$ 26	$ 1,480	$ 1,947