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Accounting for Asset Retirement Obligations (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Asset retirement obligation [Roll Forward]    
Asset retirement obligation, beginning of period $ 23.8 $ 24.4
Accretion expense 1.1 1.5
Other (3.8) 1.4
Payments (0.1) (2.9)
Foreign currency translation (0.2) (0.6)
Asset retirement obligation, end of period 20.8 $ 23.8
Asset retirement obligation [Abstract]    
Asset retirement obligation, current portion 0.5  
Asset retirement obligation, noncurrent portion $ 20.3