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Financial Instruments and Risk Management - Fair Value of Hedging Contracts (Details) - Fair Value, Measurements, Recurring - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Assets:    
Total assets   $ 2.5
Liabilities:    
Total liabilities $ 2.1 5.6
Level 1    
Assets:    
Total assets   0.0
Liabilities:    
Total liabilities 0.0 0.0
Level 2    
Assets:    
Total assets   2.5
Liabilities:    
Total liabilities 2.1 5.6
Level 3    
Assets:    
Total assets   0.0
Liabilities:    
Total liabilities 0.0 0.0
Natural gas contracts    
Liabilities:    
Total liabilities 1.6 0.6
Natural gas contracts | Level 1    
Liabilities:    
Total liabilities 0.0 0.0
Natural gas contracts | Level 2    
Liabilities:    
Total liabilities 1.6 0.6
Natural gas contracts | Level 3    
Liabilities:    
Total liabilities 0.0 0.0
Currenct exchange contracts    
Assets:    
Total assets   0.5
Liabilities:    
Total liabilities 0.5  
Currenct exchange contracts | Level 1    
Assets:    
Total assets   0.0
Liabilities:    
Total liabilities 0.0  
Currenct exchange contracts | Level 2    
Assets:    
Total assets   0.5
Liabilities:    
Total liabilities 0.5  
Currenct exchange contracts | Level 3    
Assets:    
Total assets   0.0
Liabilities:    
Total liabilities $ 0.0  
Net investment hedge    
Assets:    
Total assets   2.0
Liabilities:    
Total liabilities   1.0
Net investment hedge | Level 1    
Assets:    
Total assets   0.0
Liabilities:    
Total liabilities   0.0
Net investment hedge | Level 2    
Assets:    
Total assets   2.0
Liabilities:    
Total liabilities   1.0
Net investment hedge | Level 3    
Assets:    
Total assets   0.0
Liabilities:    
Total liabilities   0.0
Interest rate swap contracts    
Liabilities:    
Total liabilities   4.0
Interest rate swap contracts | Level 1    
Liabilities:    
Total liabilities   0.0
Interest rate swap contracts | Level 2    
Liabilities:    
Total liabilities   4.0
Interest rate swap contracts | Level 3    
Liabilities:    
Total liabilities   $ 0.0