v3.25.2
Consolidated Statements of Changes in Shareholders' Equity Statement - USD ($)
$ in Millions
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
AOCI Attributable to Parent [Member]
Treasury Stock, Common
Common stock, shares issued, beginning at Dec. 31, 2023   68,800,000        
Treasury stock, shares issued, beginning at Dec. 31, 2023           33,300,000
Beginning balance at Dec. 31, 2023   $ 42.5 $ 816.1 $ 3,009.5 $ (167.6) $ 1,427.5
Stock Issued During Period, Shares, New Issues   200,000        
Stock Issued During Period, Value, New Issues   $ 0.2        
Stock Repurchased During Period, Shares           (100,000)
Repurchase of common stock           $ (8.8)
APIC, Share-based Payment Arrangement, Increase for Cost Recognition     20.3      
Net income $ 118.7     118.7    
Dividends declared (in dollars per share) $ 1.16          
Dividends, Common Stock, Cash       (42.8)    
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent $ 17.2       17.2  
Common stock, shares issued, ending at Jun. 30, 2024   69,000,000.0        
Treasury stock, shares issued, ending at Jun. 30, 2024           33,400,000
Ending balance at Jun. 30, 2024 2,343.4 $ 42.7 836.4 3,085.4 (184.8) $ 1,436.3
Common stock, shares issued, beginning at Mar. 31, 2024   68,900,000        
Treasury stock, shares issued, beginning at Mar. 31, 2024           33,400,000
Beginning balance at Mar. 31, 2024   $ 42.6 828.8 3,062.4 (177.4) $ 1,432.1
Stock Issued During Period, Shares, New Issues   100,000        
Stock Issued During Period, Value, New Issues   $ 0.1        
Stock Repurchased During Period, Shares           0
Repurchase of common stock           $ (4.2)
APIC, Share-based Payment Arrangement, Increase for Cost Recognition     7.6      
Net income $ 44.4     44.4    
Dividends declared (in dollars per share) $ 0.58          
Dividends, Common Stock, Cash       (21.4)    
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent $ 7.4       7.4  
Common stock, shares issued, ending at Jun. 30, 2024   69,000,000.0        
Treasury stock, shares issued, ending at Jun. 30, 2024           33,400,000
Ending balance at Jun. 30, 2024 $ 2,343.4 $ 42.7 836.4 3,085.4 (184.8) $ 1,436.3
Common stock, shares issued, beginning at Dec. 31, 2024 69,075,329 69,100,000        
Treasury stock, shares issued, beginning at Dec. 31, 2024 33,499,638         33,500,000
Beginning balance at Dec. 31, 2024 $ 2,438.9 $ 42.7 847.1 3,208.1 (209.6) $ 1,449.4
Stock Issued During Period, Shares, New Issues   200,000        
Stock Issued During Period, Value, New Issues   $ 0.1        
Stock Repurchased During Period, Shares           (100,000)
APIC, Share-based Payment Arrangement, Increase for Cost Recognition     17.1      
Net income $ 154.1     154.1    
Dividends declared (in dollars per share) $ 1.22          
Dividends, Common Stock, Cash       (45.2)    
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent $ (121.8)       (121.8)  
Common stock, shares issued, ending at Jun. 30, 2025 69,256,439 69,300,000        
Treasury stock, shares issued, ending at Jun. 30, 2025 33,615,575         33,600,000
Ending balance at Jun. 30, 2025 $ 2,669.7   864.2 3,317.0 (87.8) $ 1,466.5
Common stock, shares issued, beginning at Mar. 31, 2025   69,200,000        
Treasury stock, shares issued, beginning at Mar. 31, 2025           33,500,000
Beginning balance at Mar. 31, 2025   $ 42.8 856.2 3,264.1 (162.4) $ 1,451.3
Stock Issued During Period, Shares, New Issues   100,000        
Stock Issued During Period, Value, New Issues   $ 0.0        
Stock Repurchased During Period, Shares           (100,000)
Repurchase of common stock           $ (15.2)
APIC, Share-based Payment Arrangement, Increase for Cost Recognition     8.0      
Net income $ 75.5     75.5    
Dividends declared (in dollars per share) $ 0.61          
Dividends, Common Stock, Cash       (22.6)    
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent $ (74.6)       (74.6)  
Common stock, shares issued, ending at Jun. 30, 2025 69,256,439 69,300,000        
Treasury stock, shares issued, ending at Jun. 30, 2025 33,615,575         33,600,000
Ending balance at Jun. 30, 2025 $ 2,669.7   $ 864.2 $ 3,317.0 $ (87.8) $ 1,466.5