XML 64 R54.htm IDEA: XBRL DOCUMENT v3.25.1
Stock-Based Compensation - Narrative (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended
Feb. 28, 2025
Jul. 31, 2024
Feb. 29, 2024
May 31, 2023
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2013
Stock-based compensation              
Shares tendered by employees to pay employee withholding taxes (in shares)         203,273    
Nonvested Shares, Share Units or DEU              
Stock-based compensation              
Total fair value of shares vested         $ 30.8 $ 22.8  
Nonvested Shares or Share Units Outstanding              
Stock-based compensation              
Total unrecognized compensation expense         $ 28.0    
Expected weighted average period for recognition of expense         2 years 4 months 24 days    
Vesting Based On Service | Employee | Nonvested Share Units | Incentive Program Bonus Award Fiscal Year Performance              
Stock-based compensation              
Vesting period 3 years            
Vesting Based On Service | Employee | Nonvested Share Units | Incentive Program Bonus Award Fiscal Year Performance | First Vesting Date              
Stock-based compensation              
Vesting percentage   33.33% 33.33%        
Vesting Based On Service | Employee | Nonvested Share Units | Incentive Program Bonus Award Fiscal Year Performance | Second Vesting Date              
Stock-based compensation              
Vesting percentage   33.33% 33.33%        
Vesting Based On Service | Employee | Nonvested Share Units | Incentive Program Bonus Award Fiscal Year Performance | Third Vesting Date              
Stock-based compensation              
Vesting percentage   33.33% 33.33%        
Vesting Based On Service | Certain Vice President And Staff Level Employee | Nonvested Share Units | Incentive Program Bonus Award Fiscal Year Performance | First Vesting Date              
Stock-based compensation              
Vesting percentage     50.00%        
Vesting Based On Service | Certain Vice President And Staff Level Employee | Nonvested Share Units | Incentive Program Bonus Award Fiscal Year Performance | Second Vesting Date              
Stock-based compensation              
Vesting percentage     50.00%        
2013 Plan              
Stock-based compensation              
Increase in number of shares authorized (in shares)       2,000,000      
Shares authorized (in shares)             7,500,000
Number of share available for future grant (in shares)         3,000,000    
2013 Plan | Vesting Based On Service | Certain Senior Management | Nonvested Shares              
Stock-based compensation              
Performance period 3 years            
2013 Plan | Vesting Based On Service | Certain Senior Management | Nonvested Shares | First Vesting Date              
Stock-based compensation              
Vesting percentage   33.33% 33.33%        
2013 Plan | Vesting Based On Service | Certain Senior Management | Nonvested Shares | Second Vesting Date              
Stock-based compensation              
Vesting percentage   33.33% 33.33%        
2013 Plan | Vesting Based On Service | Certain Senior Management | Nonvested Shares | Third Vesting Date              
Stock-based compensation              
Vesting percentage   33.33% 33.33%        
2013 Plan | Vesting Based On Performance | Certain Senior Management | Nonvested Shares              
Stock-based compensation              
Performance period 3 years            
2013 Plan | Vesting Based On Performance | Certain Senior Management | Nonvested Shares | Maximum              
Stock-based compensation              
Vesting percent 200.00%