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Shareholders' Equity - Components of Accumulated Other Comprehensive Loss, Net of Tax (Details) - USD ($)
$ in Millions
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Dec. 31, 2021
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]                
Accumulated other comprehensive loss $ 2,416.6 $ 2,444.8 $ 2,556.1 $ 2,531.7 $ 2,483.2 $ 2,396.7 $ 2,377.4 $ 2,453.6
Defined benefit pension plans, net of income tax benefit of $x and $(22.8), respectively                
Accumulated Other Comprehensive Income (Loss) [Line Items]                
Accumulated other comprehensive loss (55.2)     (56.7)        
Retiree health care plan, net of income taxes of $x and $1.6, respectively                
Accumulated Other Comprehensive Income (Loss) [Line Items]                
Accumulated other comprehensive loss (0.3)     0.1        
Gain on interest rate swap                
Accumulated Other Comprehensive Income (Loss) [Line Items]                
Accumulated other comprehensive loss 1.9            
Foreign currency translation                
Accumulated Other Comprehensive Income (Loss) [Line Items]                
Accumulated other comprehensive loss (486.7)     (180.8)        
Translation gain (loss) on derivative instruments, net of income taxes (benefit) of $x and $(16.4), respectively                
Accumulated Other Comprehensive Income (Loss) [Line Items]                
Accumulated other comprehensive loss 139.6     (18.4)        
Translation loss on long-term intercompany loans                
Accumulated Other Comprehensive Income (Loss) [Line Items]                
Accumulated other comprehensive loss (132.5)     (133.6)        
Accumulated other comprehensive loss                
Accumulated Other Comprehensive Income (Loss) [Line Items]                
Accumulated other comprehensive loss $ (533.2) $ (471.5) $ (399.6) $ (389.4) $ (444.6) $ (422.3) $ (437.8) $ (397.3)