DISCONTINUED OPERATIONS - Summarized Results of Discontinued Operations (Details) $ in Millions	9 Months Ended
	Sep. 30, 2020 USD ($)
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Net (loss) income including noncontrolling interest	$ (2,170.3)
Net income from discontinued operations attributable to noncontrolling interest	2.2
Net (loss) income from discontinued operations, net of tax	(2,172.5)
ChampionX | Discontinued Operations, Disposed of By Sale
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Net sales	958.5
Cost of sales (including special charges)	702.1
Selling, general and administrative expenses	180.5
Special (gains) and charges	2,221.7
Operating income	(2,145.8)
Other (income) expense	0.3
Interest expense (income), net	0.2
Income before income taxes	(2,146.3)
Provision for income taxes	24.0
Net (loss) income including noncontrolling interest	(2,170.3)
Net income from discontinued operations attributable to noncontrolling interest	2.2
Net (loss) income from discontinued operations, net of tax	(2,172.5)
Special (gains) and charges, including non-controlling interest	2,221.7
Tax expense, friction costs associated with separation activity	22.7
ChampionX | Discontinued Operations, Disposed of By Sale | Product and sold equipment
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Net sales	858.9
Cost of sales (including special charges)	621.7
ChampionX | Discontinued Operations, Disposed of By Sale | Service and lease equipment
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Net sales	99.6
Cost of sales (including special charges)	$ 80.4