v3.26.3
Stockholders' Equity (Narrative) (Details)
$ / shares in Units, $ in Millions
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Jun. 30, 2026
shares
Aug. 31, 2026
USD ($)
shares
Jul. 31, 2026
shares
May 31, 2026
USD ($)
shares
Feb. 28, 2026
shares
Nov. 30, 2025
USD ($)
agreement
Sep. 30, 2026
USD ($)
$ / shares
Jun. 30, 2026
$ / shares
Mar. 31, 2026
$ / shares
Sep. 30, 2025
$ / shares
Sep. 30, 2026
USD ($)
$ / shares
Sep. 30, 2025
$ / shares
Dec. 31, 2025
shares
Jul. 09, 2025
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                            
Stock repurchased and retired             $ 57.8       $ 405.7      
Dividends declared (in dollars per share) | $ / shares             $ 0.30 $ 0.30 $ 0.29 $ 0.29 $ 0.89 $ 0.87    
Cash dividends paid per common share (in dollars per share) | $ / shares             $ 0.30     $ 0.29 $ 0.89 $ 0.87    
Share Repurchase Program                            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                            
Stock repurchased and retired (in shares) | shares   492,418   422,590                    
Stock repurchased and retired   $ 56.8   $ 52.1                    
Remaining authorized repurchase amount             $ 383.1       $ 383.1      
New Share Repurchase Program                            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                            
Stock repurchase program, authorized amount                           $ 1,000.0
Accelerated Share Repurchase                            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                            
Stock repurchase program, authorized amount       $ 293.0   $ 250.0                
Stock repurchased and retired (in shares) | shares 1,997,613   593,462   333,755               1,997,204  
Number of share repurchase agreements entered into | agreement           2