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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($)
$ in Thousands
Total
Common stock
Additional paid-in capital
Retained earnings
Accumulated other comprehensive income (loss), net of taxes
Treasury stock, at cost
Beginning balance at Dec. 31, 2014   $ 64 $ 422,232 $ 1,065,318 $ 284,601 $ (435,752)
Options exercised, 2016, 114,507 shares; 2015, 80,660 shares   0        
Conversion of common stock units, 2016, 15,629 shares; 2015, 8,293 shares   0        
Conversion of restricted stock units, 2016, 188,207 shares; 2015, 191,998 shares   1        
Options exercised and conversion of common stock units and restricted stock units     11,926      
Share-based compensation expense     5,032      
Net income $ 72,442     72,442    
Cash dividends, 2016, $0.795 per share; 2015, $0.750 per share       (31,975)    
Change in net unrealized gains and losses on fixed maturities and equity securities (70,936) [1],[2]       (70,936)  
Change in net funded status of pension obligations 0 [1]       0  
Acquisition of shares, 2016, 701,410 shares; 2015, 476,498 shares           (15,775)
Ending balance at Sep. 30, 2015 1,307,178 65 439,190 1,105,785 213,665 (451,527)
Beginning balance at Dec. 31, 2015 1,264,661 65 442,648 1,116,277 163,373 (457,702)
Options exercised, 2016, 114,507 shares; 2015, 80,660 shares   0        
Conversion of common stock units, 2016, 15,629 shares; 2015, 8,293 shares   0        
Conversion of restricted stock units, 2016, 188,207 shares; 2015, 191,998 shares   0        
Options exercised and conversion of common stock units and restricted stock units     2,045      
Share-based compensation expense     6,066      
Net income 63,942     63,942    
Cash dividends, 2016, $0.795 per share; 2015, $0.750 per share       (33,241)    
Change in net unrealized gains and losses on fixed maturities and equity securities 162,124 [1],[3]       162,124  
Change in net funded status of pension obligations 0 [1]       0  
Acquisition of shares, 2016, 701,410 shares; 2015, 476,498 shares           (21,513)
Ending balance at Sep. 30, 2016 $ 1,444,084 $ 65 $ 450,759 $ 1,146,978 $ 325,497 $ (479,215)
[1] All amounts are net of tax.
[2] The pretax amounts reclassified from accumulated other comprehensive income (loss), $1,545 and $9,165, are included in net realized investment gains and losses and the related tax expenses, $541 and $3,208, are included in income tax expense in the Consolidated Statements of Operations for the three and nine months ended September 30, 2015, respectively.
[3] The pretax amounts reclassified from accumulated other comprehensive income (loss), $3,499 and $8,566, are included in net realized investment gains and losses and the related tax expenses, $1,225 and $2,998, are included in income tax expense in the Consolidated Statements of Operations for the three and nine months ended September 30, 2016, respectively.