Accumulated Other Comprehensive Loss - Components of Accumulated Other Comprehensive Loss, Net of Tax (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive loss	$ 2,531.7	$ 2,453.6	$ 2,761.5	$ 2,698.5
Foreign currency translation
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive loss	(180.8)	(72.1)
Translation (loss) gain on derivative instruments, net of income taxes of $(16.4) and $(34.9), respectively
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive loss	(18.4)	(81.2)
Translation loss on long-term intercompany loans
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive loss	(133.6)	(133.3)
Defined benefit pension plans and Retiree health care plan | Defined benefit pension plans, net of income benefit of $(22.8) and $(38.2), respectively
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive loss	(56.7)	(111.4)
Defined benefit pension plans and Retiree health care plan | Retiree health care plan, net of income taxes of $1.6 and $1.8, respectively
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive loss	0.1	0.7
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive loss	$ (389.4)	$ (397.3)	$ (441.0)	$ (399.8)