XML 147 R91.htm IDEA: XBRL DOCUMENT v3.25.0.1
Employee Stock Purchase Plan, Stock Options and Warrants - Narrative (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Employee Stock Option      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Options granted in period (in shares) 0 444 251
Compensation cost not yet recognized $ 11.0    
Compensation cost not yet recognized, period of recognition 1 year 8 months 12 days    
Fair value of options, net of forfeitures   $ 13.1 $ 6.3
Options granted in period, weighted average grant date fair value (in dollars per share)   $ 29.58 $ 24.98
Stock-Settled Performance-Based Restricted Stock Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 3 years    
Compensation cost not yet recognized $ 18.2    
Compensation cost not yet recognized, period of recognition 1 year 8 months 12 days    
Vested (in shares) 47 61 44
Stock-Settled Performance-Based Restricted Stock Units | rTSR | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Multiplying factor 75.00%    
Stock-Settled Performance-Based Restricted Stock Units | rTSR | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Multiplying factor 125.00%    
Cash-Settled Performance-Based Share-Based Awards (Liability Awards)      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 3 years    
Target cash incentive $ 1.6 $ 1.3 $ 1.0
Liabilities associated with awards 5.1    
Compensation cost not yet recognized $ 3.6    
Compensation cost not yet recognized, period of recognition 1 year 8 months 12 days    
Amount paid in connection with liability awards $ 1.3 1.7 0.8
Forfeited (in shares) 0    
Cash-Settled Performance-Based Share-Based Awards (Liability Awards) | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Target cash incentive $ 4.7 $ 4.3 $ 2.5
Multiplying factor 250.00%    
Restricted Stock Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Compensation cost not yet recognized $ 23.4    
Compensation cost not yet recognized, period of recognition 3 years 7 months 6 days    
Vested (in shares) 20 31 26
Restricted Stock Units | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 1 year    
Restricted Stock Units | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 4 years    
2018 Incentive Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares available for grant (in shares) 3,026    
2018 Incentive Plan | Employee Stock Option      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expiration period 7 years    
2018 Incentive Plan | Employee Stock Option | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 3 years    
2018 Incentive Plan | Employee Stock Option | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 5 years    
ESPP      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Purchase price for ESPP, percent of market price 95.00%    
Shares available for grant (in shares) 74