XML 107 R89.htm IDEA: XBRL DOCUMENT v3.23.3
Share-Based Compensation - Schedule of Compensation Cost for Performance Share Units (Details) - Performance Shares Units - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total expense before income taxes $ (0.3) $ 0.2 $ 5.7 $ 4.0
Income tax benefit (0.1) 0.0 (0.3) (0.1)
Total expense after income taxes (0.4) 0.2 5.4 3.9
Cost of sales        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total expense before income taxes 0.0 0.0 0.0 0.0
Selling, general and administrative expenses        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total expense before income taxes (0.3) $ 0.2 5.7 $ 4.0
Selling, general and administrative expenses | Accelerated Stock        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Executive forfeitures 1.0      
Share-based payment arrangement, increase (decrease) in noncash expense $ (0.4)   2.0  
Executive forfeitures     $ 0.7