DISCONTINUED OPERATIONS - Summary of Assets and Liabilities of Discontinued Operations (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
	Jun. 03, 2020	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Disposal Group, Including Discontinued Operation, Classified Balance Sheet Disclosures [Abstract]
Accounts receivable, net		$ 2,384.1		$ 2,384.1		$ 2,273.8
ChampionX | Discontinued Operations, Disposed of By Sale
Disposal Group, Including Discontinued Operation, Classified Balance Sheet Disclosures [Abstract]
Term of post-separation agreement	18 months
Period of time post-separation that the entity may transfer or receive certain products	36 months
Post-separation sales		35.8	$ 46.6	103.5	$ 58.9
Accounts receivable, net		$ 18.0		$ 18.0