Accumulated Other Comprehensive Income (Loss) - Reclassifications out of AOCI (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Interest expense	$ 23.2	$ 22.7	$ 42.2	$ 45.8
Provision (benefit) for income taxes	41.9	12.5	74.3	23.1
Net income (loss)	$ 138.5	$ 233.9	242.2	143.5
Reclassification out of Accumulated Other Comprehensive (Loss) Income
Income Statement [Abstract]
Net income (loss)			(0.5)	1.9
Cash Flow Hedges | Reclassification out of Accumulated Other Comprehensive (Loss) Income
Income Statement [Abstract]
Interest expense			0.1	0.0
Provision (benefit) for income taxes			0.0	0.0
Net income (loss)			0.1	0.0
Net investment hedges | Reclassification out of Accumulated Other Comprehensive (Loss) Income
Income Statement [Abstract]
Interest expense			(0.1)	0.0
Provision (benefit) for income taxes			0.0	0.0
Net income (loss)			(0.1)	0.0
Pension and Other Postretirement Benefit Plans | Reclassification out of Accumulated Other Comprehensive (Loss) Income
Income Statement [Abstract]
Amortization of defined benefit pension and other postretirement benefit items			(0.7)	2.6
Provision (benefit) for income taxes			0.2	(0.7)
Net income (loss)			$ (0.5)	$ 1.9