Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
AOCI Including Portion Attributable to Noncontrolling Interest [Abstract]
Beginning balance	$ 3,610.8	$ 4,123.3	$ 3,730.7
Amounts recognized in AOCI	18.1	(33.5)	(54.9)
Amounts reclassified from AOCI	1.8	(5.3)	13.6
Ending balance	2,437.2	3,610.8	$ 4,123.3	$ 3,730.7
Accounting standards update [Extensible List]			Accounting Standards Update 2016-13 [Member]	ASU 2018-02
Cumulative Effect, Period of Adoption, Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest [Abstract]
Beginning balance		(3.0)
Ending balance			$ (3.0)
Total
AOCI Including Portion Attributable to Noncontrolling Interest [Abstract]
Beginning balance	(718.3)	(679.5)	(629.9)
Ending balance	(698.4)	(718.3)	(679.5)	$ (629.9)
Total | Cumulative Effect, Period of Adoption, Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest [Abstract]
Beginning balance			(8.3)
Ending balance				(8.3)
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest [Abstract]
Beginning balance	(671.5)	(657.4)	(607.6)
Amounts recognized in AOCI	(30.6)	(14.1)	(49.8)
Ending balance	(702.1)	(671.5)	(657.4)	(607.6)
Pension and Other Postretirement Benefits Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest [Abstract]
Beginning balance	(87.2)	(69.2)	(67.1)
Amounts recognized in AOCI	48.7	(19.4)	(5.1)
Amounts reclassified from AOCI	6.3	1.4	22.3
Ending balance	(32.2)	(87.2)	(69.2)	(67.1)
Pension and Other Postretirement Benefits Adjustments | Cumulative Effect, Period of Adoption, Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest [Abstract]
Beginning balance			(19.3)
Ending balance				(19.3)
Unrealized Net Gains on Cash Flow Hedges
AOCI Including Portion Attributable to Noncontrolling Interest [Abstract]
Beginning balance	40.4	47.1	44.8
Amounts reclassified from AOCI	(4.5)	(6.7)	(8.7)
Ending balance	$ 35.9	$ 40.4	47.1	44.8
Unrealized Net Gains on Cash Flow Hedges | Cumulative Effect, Period of Adoption, Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest [Abstract]
Beginning balance			$ 11.0
Ending balance				$ 11.0