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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-in Capital
Retained Earnings
Treasury Stock
Accumulated Other Comprehensive Income (Loss)
Beginning balance at Dec. 31, 2015 $ 654,400 $ 702 $ 561,379 $ 416,851 $ (252,956) $ (71,576)
Net income 129,535     129,535    
Other comprehensive income (loss) (22,524)         (22,524)
Stock-based compensation 43,613   43,613      
Shares issued and forfeited, net, under stock plans including income tax benefits 13,056   (5,204)   18,260  
Repurchase of common stock (60,089)       (60,089)  
Repurchase of restricted stock for tax withholdings (2,975)       (2,975)  
Cumulative effect of accounting change (99)   556 (655)    
Ending balance at Dec. 31, 2016 754,917 702 600,344 545,731 (297,760) (94,100)
Net income 5,135     5,135    
Other comprehensive income (loss) 16,744         16,744
Stock-based compensation 13,683   13,683      
Shares issued and forfeited, net, under stock plans including income tax benefits 16,816   (3,682)   20,498  
Repurchase of common stock (37,387)       (37,387)  
Repurchase of restricted stock for tax withholdings (5,311)       (5,311)  
Ending balance at Dec. 31, 2017 764,597 702 610,345 550,866 (319,960) (77,356)
Net income 68,921     68,921    
Other comprehensive income (loss) (15,261)         (15,261)
Stock-based compensation 20,360   20,360      
Shares issued and forfeited, net, under stock plans including income tax benefits 22,748   1,530   21,218  
Repurchase of common stock (54,527)       (54,527)  
Repurchase of restricted stock for tax withholdings (2,588)       (2,588)  
Cumulative effect of accounting change 243,981     243,981    
Ending balance at Dec. 31, 2018 $ 1,048,231 $ 702 $ 632,235 $ 863,768 $ (355,857) $ (92,617)