SPECIAL (GAINS) AND CHARGES - Restructuring and Non-Restructuring Activity (Details) - USD ($) $ in Millions	3 Months Ended				9 Months Ended		12 Months Ended	48 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021	Dec. 31, 2021	Nov. 30, 2022
Other restructuring information
Special (gains) and charges		$ 17.8		$ 6.3	$ 45.5	$ 36.7
C O V I D 19
Non-restructuring Special (Gains) and Charges
Inventory-related reserves			$ 15.0
Expenses Incurred To Pay Employees Impacted By Pandemic		1.3		2.6	1.3	12.6
Net charges (gains) related to the pandemic		2.1		40.6	17.9	51.9
Medical charges and testing fee		1.6		3.1	7.7	11.5
Special (gains) and charges
Other restructuring information
Restructuring charges incurred, pre-tax		(0.3)		0.4	0.8	6.5
Business combination advisory and legal fees, pre tax		4.1		0.8	15.0	3.3
Other special gains and charges		11.5		3.6	16.7	10.7
Special (gains) and charges		17.8		6.3	45.5	36.7
Non-restructuring Special (Gains) and Charges
Business combination and integration related costs, pre tax		4.1		0.8	15.0	3.3
Business combination and integration related costs, after tax		3.9		0.8	11.9	2.9
Cost of sales
Other restructuring information
Restructuring charges incurred, pre-tax		2.1		2.2	5.5	24.1
Business combination advisory and legal fees, pre tax		4.2			32.7
Business combination advisory and legal fees, after tax		3.9			25.8
Other special gains and charges						0.3
Special (gains) and charges		7.1		52.9	61.7	76.2
Interest expense
Other restructuring information
Special (gains) and charges				32.3		32.3
Non-restructuring Special (Gains) and Charges
Debt refinancing charges, pre-tax				32.3
Debt refinancing charges, net of tax				28.4
Specific legal reserve and related legal charges
Other restructuring information
Other special gains and charges		11.5			16.7
Other special gains and charges, after-tax		8.7			12.6
Other (income) expense
Other restructuring information
Special (gains) and charges		24.8		7.0	24.8	26.6
Pension settlements and curtailments		24.8		7.0	24.8	26.6
Pension settlements and curtailments, after tax		18.8		5.3	18.8	20.2
Russia/Ukraine charges
Other restructuring information
Russia/Ukraine charges		0.8			13.1
Charges related to recoverability risk		0.7			14.0
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		0.8			7.2
Product and equipment sales | Cost of sales
Other restructuring information
Other special gains and charges				3.6		10.7
Other special gains and charges, after-tax				2.7		8.3
Institutional Advancement Program
Restructuring
Recorded expense (income) and accrual					3.9		$ 47.8
Net cash payments					(3.9)		(34.2)
Non-cash net charges					(2.9)		(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 liability		2.2			2.2		5.1	$ 5.1
Restructuring charges incurred to date, pre-tax		51.7			51.7
Restructuring charges incurred to date, after-tax		39.5			39.5
Restructuring charges incurred, pre-tax		1.8		1.4	3.9	9.5
Restructuring charges incurred, after tax		1.3		1.4	2.9	7.5
Institutional Advancement Program | Employee termination costs
Restructuring
Recorded expense (income) and accrual					0.4		23.8
Net cash payments					(3.6)		(19.9)
Other restructuring information
Restructuring liability		0.7			0.7		3.9	3.9
Institutional Advancement Program | Asset disposals
Restructuring
Recorded expense (income) and accrual					2.9		8.5
Non-cash net charges					(2.9)		(8.5)
Institutional Advancement Program | Other.
Restructuring
Recorded expense (income) and accrual					0.6		15.5
Net cash payments					(0.3)		(14.3)
Other restructuring information
Restructuring liability		1.5			1.5		1.2	1.2
Accelerate 2020 Restructuring Plan
Restructuring
Recorded expense					(0.2)			244.5
Net cash payments					(17.0)			(199.4)
Non-cash charges								(11.5)
Effect of foreign currency translation								(0.9)
Other restructuring information
Restructuring charge expected to be incurred, pre-tax		255.0			255.0
Restructuring charge expected to be incurred, after tax		195.0			195.0
Restructuring liability		15.5			15.5		32.7	32.7
Accelerate 2020 Restructuring Plan | Special (gains) and charges
Other restructuring information
Restructuring liability		15.5			15.5
Restructuring charges incurred to date, pre-tax		244.3			244.3
Restructuring charges incurred to date, after-tax		189.9			189.9
Restructuring charges incurred, pre-tax		(0.6)		1.5	(0.2)	2.9
Restructuring charges incurred, after tax		0.3		1.2	0.1	2.8
Accelerate 2020 Restructuring Plan | Employee termination costs
Restructuring
Recorded expense					(1.3)			216.3
Net cash payments					(15.3)			(183.4)
Effect of foreign currency translation								(0.9)
Other restructuring information
Restructuring liability		15.4			15.4		32.0	32.0
Accelerate 2020 Restructuring Plan | Asset disposals
Restructuring
Recorded expense								8.3
Net cash payments								1.2
Non-cash charges								(9.5)
Accelerate 2020 Restructuring Plan | Other.
Restructuring
Recorded expense					1.1			19.9
Net cash payments					(1.7)			(17.2)
Non-cash charges								(2.0)
Other restructuring information
Restructuring liability		0.1			0.1		0.7	0.7
Other Restructuring Plan
Other restructuring information
Restructuring charges incurred, pre-tax		0.6		(0.3)	2.6	18.2
Restructuring charges incurred, after tax		0.5		$ 0.5	2.0	$ 16.9
Prior Year Plans
Other restructuring information
Restructuring liability		$ 4.0			4.0		$ 4.6	$ 4.6
Cash payments					$ 3.2
Europe Program | Subsequent event
Restructuring
Recorded expense	$ 60.0
Other restructuring information
Restructuring charge expected to be incurred, pre-tax									$ 130.0
Restructuring charge expected to be incurred, after tax									110.0
Annualized pre-tax savings									$ 80.0