GOODWILL AND INTANGIBLE ASSETS - TEXTUALS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Sep. 30, 2020
Goodwill and Intangible Assets Disclosure [Abstract]
Finite-Lived Intangible Assets, Amortization Expense	$ 66,500	$ 35,500	$ 35,900
Goodwill [Line Items]
Disposal Group, Intangible Assets	5,722
Trademarks
Goodwill [Line Items]
Disposal Group, Intangible Assets	1,000
Customer Relationships
Goodwill [Line Items]
Disposal Group, Intangible Assets	3,300
Distribution agreements
Goodwill [Line Items]
Disposal Group, Intangible Assets	$ 1,400
EES
Goodwill [Line Items]
Goodwill, Gross				$ 809,900
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount				10.00%