SPECIAL (GAINS) AND CHARGES - Restructuring and Non-Restructuring Activity (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Feb. 14, 2023	Nov. 30, 2022	Dec. 31, 2019
Restructuring
Recorded expense									$ 9.9	$ 5.3	$ 41.8
Net cash payments									(22.6)	(44.1)	(57.8)
Non-cash charges									(1.9)	(0.3)	(7.8)
Effect of foreign currency translation											0.1
Other restructuring information
Restructuring liability	$ 18.1				$ 32.7				18.1	32.7	71.8			$ 95.5
ChampionX Separation											7.2
Special (gains) and charges	95.0	$ 17.8	$ 3.6	$ 24.1	65.9	$ 6.3	$ 17.6	$ 12.8	140.5	102.6	179.6
C O V I D 19
Non-restructuring Special (Gains) and Charges
Inventory-related reserves									15.0	60.0
Expenses Incurred To Pay Employees Impacted By Pandemic									2.4	36.8	57.1
Net charges (gains) related to the pandemic									20.2	81.3	27.4
Medical charges and testing fee									9.8	16.5	2.4
Gain from government subsidy									0.7	6.2	23.4
Holchem
Non-restructuring Special (Gains) and Charges
Gain (loss) on sale of business, before tax											$ (12.8)
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration]											Special (gains) and charges
Special (gains) and charges
Other restructuring information
Restructuring charges incurred, pre-tax									85.8	11.9	$ 71.4
Business combination advisory and legal fees, pre tax									14.5	29.9	8.5
Business combination advisory and legal fees, after tax										23.5	6.9
Other special gains and charges									24.1	18.4	34.7
Special (gains) and charges									140.5	102.6	179.6
Disposal And Impairment charges											41.4
Disposal And Impairment charges, after tax											41.5
Equity Method Investment, Other than Temporary Impairment											28.6
Non-restructuring Special (Gains) and Charges
Business combination and integration related costs, pre tax									14.5
Business combination and integration related costs, after tax									11.4
Special (gains) and charges | Holchem
Non-restructuring Special (Gains) and Charges
Gain (loss) on sale of business, net of tax											(12.9)
Cost of sales
Other restructuring information
Restructuring charges incurred, pre-tax									21.4	24.7	7.4
Business combination advisory and legal fees, pre tax									25.0	4.2	3.9
Business combination advisory and legal fees, after tax										3.3
Other special gains and charges										0.3	24.4
Special (gains) and charges									69.9	93.9	48.2
Non-restructuring Special (Gains) and Charges
Business combination and integration related costs, pre tax									25.0
Business combination and integration related costs, after tax									19.6
Interest expense
Other restructuring information
Business combination advisory and legal fees, pre tax										0.8	0.7
Business combination advisory and legal fees, after tax										0.6
Special (gains) and charges										33.1	83.8
Non-restructuring Special (Gains) and Charges
Debt refinancing charges, pre-tax									32.3	32.3	83.1
Debt refinancing charges, net of tax										28.4	64.0
Specific legal reserve and related legal charges
Other restructuring information
Other special gains and charges									24.1	18.4	34.7
Other special gains and charges, after-tax									18.2	14.1	33.9
Other (income) expense
Other restructuring information
Special (gains) and charges	25.8	$ 24.8			10.6	$ 7.0	$ 19.6		50.6	37.2	0.4
Pension settlements and curtailments									50.6	37.2
Pension settlements and curtailments, after tax									38.2	28.7
Russia/Ukraine charges
Other restructuring information
Russia/Ukraine charges									13.1
Charges related to recoverability risk									12.6
Russia/Ukraine charges | Special (gains) and charges
Other restructuring information
Russia/Ukraine charges									5.9
Russia/Ukraine charges | Cost of sales
Other restructuring information
Russia/Ukraine charges									7.2
Bioquell | Interest expense
Other restructuring information
Business combination advisory and legal fees, after tax											0.6
Employee termination costs
Restructuring
Recorded expense									5.4	4.3	29.5
Net cash payments									(21.8)	(39.1)	(56.8)
Effect of foreign currency translation											0.1
Other restructuring information
Restructuring liability	15.6				32.0				15.6	32.0	66.8			94.0
Asset disposals
Restructuring
Recorded expense									1.9	0.3	7.8
Non-cash charges									(1.9)	(0.3)	(7.8)
Other.
Restructuring
Recorded expense									2.6	0.7	4.5
Net cash payments									(0.8)	(5.0)	(1.0)
Other restructuring information
Restructuring liability	2.5				0.7				2.5	0.7	5.0			$ 1.5
Product and equipment sales | Cost of sales
Other restructuring information
Business combination advisory and legal fees, pre tax											3.9
Business combination advisory and legal fees, after tax											3.2
Other special gains and charges											24.4
Other special gains and charges, after-tax											16.0
Special (gains) and charges									65.0	91.9	39.3
Institutional Advancement Program
Restructuring
Recorded expense (income) and accrual									6.3	12.6	35.2
Recorded expense											35.2
Net cash payments									(4.6)	(23.7)	(10.5)
Non-cash net charges									(4.9)	(8.5)
Other restructuring information
Restructuring charge expected to be incurred, pre-tax	70.0								70.0
Restructuring charge expected to be incurred, after tax	55.0								55.0
Restructuring charges, after tax										10.2	26.4
Restructuring liability	1.9				5.1				1.9	5.1	24.7
Restructuring charges incurred to date, pre-tax	54.1								54.1
Restructuring charges incurred to date, after-tax	41.4								41.4
Restructuring charges incurred, pre-tax									6.3	12.6
Restructuring charges incurred, after tax									4.8
Institutional Advancement Program | Employee termination costs
Restructuring
Recorded expense (income) and accrual									1.2	(1.8)	25.6
Net cash payments									(3.8)	(19.0)	(0.9)
Other restructuring information
Restructuring liability	1.3				3.9				1.3	3.9	24.7
Institutional Advancement Program | Asset disposals
Restructuring
Recorded expense (income) and accrual									4.9	8.5
Non-cash net charges									(4.9)	(8.5)
Institutional Advancement Program | Other.
Restructuring
Recorded expense (income) and accrual									0.2	5.9	9.6
Net cash payments									(0.8)	(4.7)	(9.6)
Other restructuring information
Restructuring liability	0.6				1.2				0.6	1.2
Accelerate 2020 Restructuring Plan
Other restructuring information
Restructuring charge expected to be incurred, pre-tax	254.0								254.0
Restructuring charge expected to be incurred, after tax	198.0								198.0
Accelerate 2020 Restructuring Plan | Special (gains) and charges
Restructuring
Recorded expense									9.9	5.3	41.8
Other restructuring information
Restructuring charges, after tax									8.4	6.2	33.0
Restructuring liability	18.1				32.7				18.1	32.7
Restructuring charges incurred to date, pre-tax	254.4								254.4
Restructuring charges incurred, after tax									198.4
Pension settlements and curtailments											0.3
Pension settlements and curtailments, after tax											0.2
Other Restructuring Plan
Restructuring
Recorded expense									23.8	18.7	1.8
Other restructuring information
Restructuring charges, after tax									17.9	17.0	$ 1.2
Prior Year Plans
Other restructuring information
Restructuring liability	23.2				$ 4.6				23.2	$ 4.6
Cash payments									5.2
Europe Program
Restructuring
Recorded expense (income) and accrual									67.2
Net cash payments									(5.2)
Other restructuring information
Restructuring charge expected to be incurred, pre-tax												$ 195.0	$ 130.0
Restructuring charge expected to be incurred, after tax												$ 150.0	$ 110.0
Restructuring liability	62.0								62.0
After restructuring charges									56.0
Europe Program | Employee termination costs
Restructuring
Recorded expense (income) and accrual									67.2
Net cash payments									(5.2)
Other restructuring information
Restructuring liability	$ 62.0								$ 62.0