v3.26.1
Shareholders' Equity (Narrative) (Details)
$ / shares in Units, $ in Millions
3 Months Ended
Mar. 31, 2026
USD ($)
PreferredStockSeries
$ / shares
shares
Mar. 31, 2025
USD ($)
$ / shares
shares
Mar. 31, 2024
USD ($)
$ / shares
shares
Dec. 31, 2025
$ / shares
shares
Class of Stock [Line Items]        
Number of shares authorized to be repurchased 10,200,000      
Purchase of treasury stock | $ $ 96.4   $ 93.2  
Treasury stock acquired, Shares, 1,200,000   1,400,000  
Treasury Stock Acquired, Average Cost Per Share | $ / shares $ 77.13   $ 67.15  
Common stock reissued 1,800,000 1,800,000    
Preferred stock, shares authorized 3,000,000     3,000,000
Preferred stock, par value | $ / shares $ 1 $ 1   $ 1
Number of preferred stock series outstanding | PreferredStockSeries 3      
Liquidation preference per share | $ / shares $ 25      
Preferred stock dividend | $ $ 9.3 $ 9.3    
Treasury Stock, common, shares 13,677,414     14,997,515
Series B Preferred Stock [Member]        
Class of Stock [Line Items]        
Preferred stock percentage 6.25%      
Series C Preferred Stock [Member]        
Class of Stock [Line Items]        
Preferred stock percentage 6.125%      
Series D Preferred Stock [Member]        
Class of Stock [Line Items]        
Preferred stock percentage 4.50%