Shareholders' Equity - Components of Accumulated Other Comprehensive Loss, Net of Tax (Details) - USD ($) $ in Millions	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	$ 2,444.8	$ 2,556.1	$ 2,531.7	$ 2,396.7	$ 2,377.4	$ 2,453.6
Defined benefit pension plans, net of income tax benefit of $(22.4) and $(22.8), respectively
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	(55.6)		(56.7)
Retiree health care plan, net of income taxes of $1.5 and 1.6, respectively
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	(0.2)		0.1
Gain on interest rate swap
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	2.0
Foreign currency translation
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	(338.8)		(180.8)
Translation gain (loss) on derivative instruments, net of income taxes (benefit) of $4.3 and $(16.4), respectively
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	53.2		(18.4)
Translation loss on long-term intercompany loans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	(132.1)		(133.6)
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	$ (471.5)	$ (399.6)	$ (389.4)	$ (422.3)	$ (437.8)	$ (397.3)