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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Common Stock
Additional Paid-In Capital
Retained Earnings
Accumulated Other Comprehensive Income (Loss)
Sub-Total
Treasury Stock
Total
Balance at Dec. 31, 2012 $ 564 $ 168,599 $ 270,511 $ (16,527) $ 423,147 $ (71,850) $ 351,297
Balance (in shares) at Dec. 31, 2012 56,450,632         6,415,176  
Increase (Decrease) in Stockholders' Equity              
Net income     45,713   45,713   45,713
Other comprehensive income (loss), net of tax (Note 12)       15,387 15,387   15,387
Employee and director stock plans $ 4 7,438     7,442   7,442
Employee and director stock plans (in shares) 441,084            
Accelerated share repurchase (Note 11) $ 4 (5,717)     (5,713) $ 5,713  
Accelerated share repurchase (Note 11) (in shares) 340,334         (340,334)  
Share repurchase (Note 11)           $ (2,991) (2,991)
Share repurchase (Note 11) (in shares)           146,800  
Treasury stock purchased           $ (343) (343)
Treasury stock purchased (in shares)           20,684  
Balance at Dec. 31, 2013 $ 572 170,320 316,224 (1,140) 485,976 $ (69,471) 416,505
Balance (in shares) at Dec. 31, 2013 57,232,050         6,242,326  
Increase (Decrease) in Stockholders' Equity              
Net income     49,370   49,370   49,370
Other comprehensive income (loss), net of tax (Note 12)       (26,370) (26,370)   (26,370)
Employee and director stock plans $ 3 6,155     6,158   6,158
Employee and director stock plans (in shares) 237,339            
Share repurchase (Note 11)           $ (39,725) (39,725)
Share repurchase (Note 11) (in shares)           1,930,841  
Treasury stock purchased           $ (465) (465)
Treasury stock purchased (in shares)           23,205  
Balance at Dec. 31, 2014 $ 575 176,475 365,594 (27,510) 515,134 $ (109,661) 405,473
Balance (in shares) at Dec. 31, 2014 57,469,389         8,196,372  
Increase (Decrease) in Stockholders' Equity              
Net income     43,463   43,463   43,463
Other comprehensive income (loss), net of tax (Note 12)       (14,120) (14,120)   (14,120)
Cash dividends     10,430   10,430   10,430
Employee and director stock plans $ 1 5,238     5,239   5,239
Employee and director stock plans (in shares) 177,294            
Share repurchase (Note 11)           $ (34,952) (34,952)
Share repurchase (Note 11) (in shares)           2,002,444  
Treasury stock purchased           $ (682) (682)
Treasury stock purchased (in shares)           33,796  
Balance at Dec. 31, 2015 $ 576 $ 181,713 $ 398,627 $ (41,630) $ 539,286 $ (145,295) $ 393,991
Balance (in shares) at Dec. 31, 2015 57,646,683         10,232,612