Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 5,580.9	$ 5,418.5
Ending balance	5,682.2	5,610.3
Accumulated Other Comprehensive Loss
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(187.7)	(364.5)
Other comprehensive income (loss), net of tax	(21.8)	54.9
Ending balance	(209.5)	(309.6)
Foreign Currency Translation
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(187.9)	(354.0)
Other comprehensive income (loss), net of tax	(13.4)	55.2
Ending balance	(201.3)	(298.8)
Other
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	0.2	(10.5)
Other comprehensive income (loss), net of tax	(8.4)	(0.3)
Ending balance	$ (8.2)	$ (10.8)