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Share Plans - Performance Stock units (Details) - USD ($)
$ / shares in Units, shares in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Performance Shares      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Payment Arrangement, Expense, Tax Benefit $ 300,000 $ 100,000 $ 100,000
Number of shares      
Beginning balance (in shares) 0.4    
Granted (in shares) 0.1    
Vested (in shares) (0.1)    
Ending Balance (in shares) 0.4 0.4  
Weighted average grant date fair value      
Beginning balance (USD per share) $ 45.55    
Granted (USD per share) 68.19    
Ending balance (USD per share) 55.45 $ 45.55  
Vested (USD per share) $ 38.54    
Restricted Stock Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Payment Arrangement, Expense, Tax Benefit $ 2,100,000 $ 600,000 $ 0
Number of shares      
Beginning balance (in shares) 0.6    
Granted (in shares) 0.3    
Vested (in shares) (0.2)    
Forfeited (in shares) (0.1)    
Ending Balance (in shares) 0.6 0.6  
Weighted average grant date fair value      
Beginning balance (USD per share) $ 47.78    
Granted (USD per share) 59.82    
Forfeited (USD per share) 53.84    
Ending balance (USD per share) 53.10 $ 47.78  
Vested (USD per share) $ 47.18