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Pension and Other Post-Employment Plans - Schedule of Amounts Recognized in Consolidated Balance Sheet (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
U.S. Benefit Plan    
Amounts recognized in our Consolidated Balance Sheets include:    
Deferred charges and other long-term assets $ 0.0 $ 0.0
Long-term pension and other post-retirement benefit liabilities (23.0) (22.0)
Net (liability) asset recorded (23.0) (22.0)
Amounts recognized In Accumulated other comprehensive loss include:    
Actuarial losses 60.7 58.1
Prior service costs 0.0 0.0
Net amount recognized, pre-tax 60.7 58.1
Non-U.S. Benefit Plan    
Amounts recognized in our Consolidated Balance Sheets include:    
Deferred charges and other long-term assets 5.1 2.4
Long-term pension and other post-retirement benefit liabilities 0.0 0.0
Net (liability) asset recorded 5.1 2.4
Amounts recognized In Accumulated other comprehensive loss include:    
Actuarial losses 16.1 17.3
Prior service costs 2.0 2.0
Net amount recognized, pre-tax $ 18.1 $ 19.3