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Debt - Schedule of Debt and Capital Lease Obligations (Details) - USD ($)
$ in Millions
Jun. 30, 2022
Dec. 31, 2021
Debt Instrument [Line Items]    
Current portion of finance lease $ 0.5 $ 0.9
Current portion of debt 0.5 0.9
Long-term debt 812.0 822.4
Non-current portion of finance lease and other debt 1.6 1.5
Total debt 812.5 823.3
Senior unsecured credit facility    
Debt Instrument [Line Items]    
Long-term debt 114.0 125.0
4.7% senior notes due 2025    
Debt Instrument [Line Items]    
Senior notes 300.0 300.0
4.7% senior notes due 2025 and 3.95% senior notes due 2027    
Debt Instrument [Line Items]    
Senior notes --- original issue discount (1.1) (1.2)
Senior notes --- deferred financing costs (2.5) (2.9)
3.95% senior notes due 2027    
Debt Instrument [Line Items]    
Senior notes $ 400.0 $ 400.0