Accumulated Other Comprehensive Loss, Net of Tax - Changes in Accumulated Other Comprehensive Loss, Net of Tax by Component (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 3,864.5	$ 4,003.8
Ending balance	3,695.0	3,784.7
Total
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(1,112.6)	(946.2)
Other comprehensive income before reclassifications	189.2	(3.0)
Amount reclassified from accumulated other comprehensive loss, net of tax	29.5	3.1
Ending balance	(893.9)	(946.1)
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(940.8)	(789.1)
Other comprehensive income before reclassifications	189.2	(3.8)
Amount reclassified from accumulated other comprehensive loss, net of tax	20.3	1.2
Ending balance	(731.3)	(791.7)
Derivative Instruments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	30.7	33.5
Other comprehensive income before reclassifications	0.0	0.0
Amount reclassified from accumulated other comprehensive loss, net of tax	(2.2)	(2.1)
Ending balance	28.5	31.4
Defined Benefit Pension and Other Postretirement Plans
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(202.5)	(190.6)
Other comprehensive income before reclassifications	0.0	0.8
Amount reclassified from accumulated other comprehensive loss, net of tax	11.4	4.0
Ending balance	$ (191.1)	$ (185.8)