DISCONTINUED OPERATIONS - Summary of Assets and Liabilities of Discontinued Operations (Details) - USD ($) $ in Millions		3 Months Ended	6 Months Ended
	Jun. 03, 2020	Jun. 30, 2020	Jun. 30, 2020	Dec. 31, 2020	Dec. 31, 2019
Assets:
Total current assets					$ 950.8
Liabilities:
Total current liabilities					$ 361.5
ChampionX | Discontinued Operations, Disposed of By Sale
Liabilities:
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		$ 12.3	$ 12.3
ChampionX | Discontinued Operations, Held-for-sale
Assets:
Cash and cash equivalents				$ 67.6
Accounts receivable, net				414.5
Inventories				424.0
Other current assets				44.7
Total current assets				950.8
Property, plant and equipment, net				726.6
Goodwill				1,682.6
Other intangible assets, net				745.0
Operating lease assets				110.8
Other assets				67.8
Total assets		0.0	0.0	4,283.6
Liabilities:
Short-term debt				0.1
Accounts payable				209.0
Compensation and benefits				33.8
Income taxes				5.9
Other current liabilities				112.7
Total current liabilities				361.5
Long-term debt				0.4
Postretirement health care and pension benefits				3.6
Deferred income taxes				203.1
Operating lease liabilities				79.2
Other liabilities				15.8
Total liabilities		$ 0.0	$ 0.0	$ 663.6