Accumulated Other Comprehensive Loss, Net of Tax (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024	Dec. 31, 2023
Foreign currency translation adjustment:
Balance at beginning of period	$ (940.8)	$ (789.1)
Other comprehensive (loss) income before reclassifications	64.6	(51.1)
Amount reclassified from accumulated other comprehensive loss, net of tax	20.3	0.0
Balance at end of period	(855.9)	(840.2)
Derivative Instrument:
Balance at beginning of period	30.7	33.5
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax (Deprecated 2025)	0.0	0.0
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net (Deprecated 2025)	0.7	0.7
Balance at end of period	30.0	32.8
Defined Benefit Pension and Other Postretirement Plans
Balance at beginning of period	(201.2)	(188.3)	$ (202.5)	$ (190.6)
Other comprehensive (loss) income before reclassifications	(0.3)	0.9
Amount reclassified from accumulated other comprehensive loss, net of tax	1.6	1.4
Total:
Balance at beginning of period	(1,112.6)	(946.2)
Other comprehensive (loss) income before reclassifications	64.3	(50.2)
Amount reclassified from accumulated other comprehensive loss, net of tax	21.2	0.7
Balance at end of period	$ (1,027.1)	$ (995.7)