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Condensed Consolidated Statements of Changes in Stockholders' Equity - USD ($)
shares in Millions, $ in Millions
Total
$0.001 Par Value Common Stock
Treasury Stock
Additional Paid-In Capital
Accumulated Other Comprehensive Income
Retained Earnings
Beginning balance (in shares) at Dec. 31, 2021   55.1 3.8      
Beginning balance at Dec. 31, 2021 $ 1,619.0 $ 0.1 $ (152.2) $ 829.4 $ (16.1) $ 957.8
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net loss (3.7)         (3.7)
Share-based compensation activity (in shares)   0.2        
Share-based compensation activity 5.4     5.4    
Repurchases of stock (in shares)     (1.1)      
Repurchases of common stock (52.2)   $ (52.2)      
Other comprehensive loss, net of tax 6.8       6.8  
Ending balance (in shares) at Mar. 31, 2022   55.3 4.9      
Ending balance at Mar. 31, 2022 $ 1,575.3 $ 0.1 $ (204.4) 834.8 (9.3) 954.1
Beginning balance (in shares) at Dec. 31, 2022 55.7 55.7 5.6      
Beginning balance at Dec. 31, 2022 $ 1,383.0 $ 0.1 $ (227.7) 873.5 3.1 734.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net loss (183.0)         (183.0)
Share-based compensation activity (in shares)   0.3        
Share-based compensation activity 4.7     4.7    
Other comprehensive loss, net of tax $ (2.1)       (2.1)  
Ending balance (in shares) at Mar. 31, 2023 56.0 56.0 5.6      
Ending balance at Mar. 31, 2023 $ 1,202.6 $ 0.1 $ (227.7) $ 878.2 $ 1.0 $ 551.0