Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Additional Information (Details)

v3.21.1
Stock-Based Compensation - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Granted (in shares) 0  
Stock options    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Options, outstanding, intrinsic value $ 10.2  
Options, exercisable, intrinsic value 10.2  
Options, exercised, intrinsic value $ 11.7  
Term for outstanding stock 3 years 3 months 18 days  
Term for exercisable stock 3 years 3 months 18 days  
Performance stock units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Granted (in shares) 544,699  
Vesting period 3 years  
Actual number of shares that may be issued, percent, minimum 0.00%  
Actual number of shares that may be issued, percent, maximum 200.00%  
Incentive Award Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Compensation not yet recognized, stock options $ 22.9  
Compensation cost not yet recognized, period for recognition 2 years 4 months 24 days  
Tax benefit from compensation expense $ 2.5 $ 0.5
Incentive Award Plan | Restricted stock units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Granted (in shares) 700,865  
Restricted stock units, conversion of stock, conversion rights (in shares) 1  
Compensation not yet recognized, stock options $ 10.5  
Compensation cost not yet recognized, period for recognition 2 years 4 months 24 days  
Employees and Officers | Incentive Award Plan | Restricted stock units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting period 3 years  
Director | Incentive Award Plan | Restricted stock units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting period 1 year