XML 100 R89.htm IDEA: XBRL DOCUMENT v3.24.3
Stockholders' Equity - Narrative (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Aug. 02, 2023
Nov. 10, 2021
Class of Stock [Line Items]            
Treasury stock, shares, acquired (in shares) 900 778 4,000 889    
Treasury stock, value, acquired, cost method $ 22.1 $ 27.3 $ 121.6 $ 29.9    
Stock repurchase program, remaining authorized repurchase amount $ 61.3   61.3      
Stock-based compensation expenses resulting from equity awards modifications     $ 13.1      
Common Stock            
Class of Stock [Line Items]            
Stock repurchase program, authorized amount           $ 50.0
Common Stock | Minimum            
Class of Stock [Line Items]            
Stock repurchase program, authorized amount         $ 50.0  
Common Stock | Maximum            
Class of Stock [Line Items]            
Stock repurchase program, authorized amount         $ 250.0  
Restricted Stock Awards            
Class of Stock [Line Items]            
Awards granted (in shares) 17   286      
Fair value $ 0.4   $ 10.9      
Unrecognized compensation costs $ 14.1   $ 14.1      
Weighted average period     1 year 4 months 24 days      
Stock Option Awards            
Class of Stock [Line Items]            
Awards granted (in shares) 0   350      
Weighted average period     4 years 6 months      
Weighted average exercise price (in dollars per share)     $ 30.80      
Unrecognized compensation costs related to options $ 6.2   $ 6.2      
Performance Restricted Stock Units            
Class of Stock [Line Items]            
Awards granted (in shares) 0   64      
Fair value     $ 2.5      
Unrecognized compensation costs $ 2.7   $ 2.7      
Weighted average period     2 years 1 month 6 days      
Performance period (in years)     3 years