ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Shareholders' Equity [Roll Forward]
Beginning balance	$ 2,437.2	$ 3,610.8
Amounts recognized in AOCI	(43.6)	(46.3)
Amounts reclassified from AOCI	0.0	0.8
Ending balance	2,234.3	3,078.7
Foreign Currency Translation Adjustments
Shareholders' Equity [Roll Forward]
Beginning balance	(702.1)	(671.5)
Amounts recognized in AOCI	(43.6)	(46.3)
Ending balance	(745.7)	(717.8)
Pension and Other Postretirement Benefits Adjustments
Shareholders' Equity [Roll Forward]
Beginning balance	(32.2)	(87.2)
Amounts reclassified from AOCI	1.0	1.8
Ending balance	(31.2)	(85.4)
Unrealized Net Gains on Cash Flow Hedges
Shareholders' Equity [Roll Forward]
Beginning balance	35.9	40.4
Amounts reclassified from AOCI	(1.0)	(1.0)
Ending balance	34.9	39.4
Total
Shareholders' Equity [Roll Forward]
Beginning balance	(698.4)	(718.3)
Ending balance	$ (742.0)	$ (763.8)