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Pension Plans and Other Benefits - Changes in Defined Benefit Obligations and Plan Assets - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Change in plan assets:      
Fair value at beginning of period $ 807.0    
Company contribution   $ 0.2 $ 0.4
Fair value at end of period 345.6 807.0  
Amounts recognized in the consolidated balance sheets:      
Noncurrent liabilities (103.3) (114.4)  
Amounts recognized in accumulated other comprehensive (income) loss      
Prior service cost (14.1) (14.8)  
Pension Settlement (41.9) 0.0 0.0
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment 38.9 0.0  
North American Pension Plan      
Change in projected benefit obligation:      
Benefit obligation at beginning of period 739.6 796.6  
Service cost 4.2 4.4 4.2
Interest cost 16.8 14.6 20.9
Actuarial gain (158.8) (31.1)  
Currency fluctuations (19.0) 0.3  
Benefits paid and transfers (322.2) (45.2)  
Projected benefit obligation at end of period 299.5 739.6 796.6
Change in plan assets:      
Fair value at beginning of period 807.0 845.2  
Currency fluctuations (21.3) 0.4  
Actual return (124.9) 1.1  
Company contribution 7.0 5.5  
Benefits paid and transfers (322.2) (45.2)  
Fair value at end of period 345.6 807.0 845.2
Funded status of the plans as of the end of period 46.1 67.4  
Amounts recognized in the consolidated balance sheets:      
Noncurrent assets 52.9 78.1  
Current liabilities (0.5) (0.9)  
Noncurrent liabilities (6.3) (9.8)  
Amounts recognized in accumulated other comprehensive (income) loss      
Prior service cost 10.9 13.7  
Actuarial loss 67.2 83.1  
Accumulated benefit obligation for the defined benefit pension plans 299.1 739.1  
Pension Settlement (41.9)    
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment (40.8) 0.0 $ (1.0)
North American Pension Plan | Defined Benefit Plan, Overfunded Plan      
Change in plan assets:      
Fair value at end of period 11.4    
North American Other Postretirement Benefits Plan      
Change in projected benefit obligation:      
Benefit obligation at beginning of period 31.1    
Projected benefit obligation at end of period $ 22.6 $ 31.1