Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
AOCI Including Portion Attributable to Noncontrolling Interest [Abstract]
Beginning balance	$ 3,102.1	$ 2,437.2	$ 3,610.8
Amounts recognized in AOCI	97.8	(1.9)	18.1
Amounts reclassified from AOCI	(21.5)	(0.3)	1.8
Ending balance	3,715.8	3,102.1	2,437.2
Pension and other post retirement benefits adjustments, tax	3.1	(35.0)	(14.7)
Unrealized holding losses on cash flow hedges, amounts reclassified from other comprehensive loss, tax	1.2	1.1	1.0
Net Investment Hedging
AOCI Including Portion Attributable to Noncontrolling Interest [Abstract]
(Losses) gains on foreign currency translation adjustments	(24.9)	34.1	37.1
Total
AOCI Including Portion Attributable to Noncontrolling Interest [Abstract]
Beginning balance	(700.6)	(698.4)	(718.3)
Ending balance	(624.3)	(700.6)	(698.4)
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest [Abstract]
Beginning balance	(810.8)	(702.1)	(671.5)
Amounts recognized in AOCI	93.9	(108.7)	(30.6)
Ending balance	(716.9)	(810.8)	(702.1)
Pension and Other Postretirement Benefits Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest [Abstract]
Beginning balance	78.3	(32.2)	(87.2)
Amounts recognized in AOCI	3.9	106.8	48.7
Amounts reclassified from AOCI	(17.9)	3.7	6.3
Ending balance	64.3	78.3	(32.2)
Unrealized Net Gains on Cash Flow Hedges
AOCI Including Portion Attributable to Noncontrolling Interest [Abstract]
Beginning balance	31.9	35.9	40.4
Amounts reclassified from AOCI	(3.6)	(4.0)	(4.5)
Ending balance	$ 28.3	$ 31.9	$ 35.9