XML 17 R6.htm IDEA: XBRL DOCUMENT v3.10.0.1
Consolidated Statement of Stockholders' Equity - USD ($)
shares in Thousands, $ in Thousands
Total
Common Stock
Additional Paid-in Capital
Retained Earnings
Accumulated Other Comprehensive Income (Loss), net of taxes
Treasury Stock
Beginning balance at Dec. 31, 2016         $ (319)  
Comprehensive income:            
Net income for the period $ 44,568          
Unrealized loss on available-for-sale marketable securities, net of taxes 1,081          
Total comprehensive income 45,649          
Ending balance at Jun. 30, 2017         762  
Balance (in shares) at Dec. 31, 2017   74,960        
Beginning balance at Dec. 31, 2017 399,952 $ 750 $ 244,363 $ 163,860 837 $ (9,858)
Comprehensive income:            
Net income for the period 25,886     25,886    
Unrealized loss on available-for-sale marketable securities, net of taxes (1,041)       (1,041)  
Total comprehensive income 24,845          
Exercise of stock options and other stock-based compensation, net of shares tendered for payment (in shares)   236        
Exercise of stock options and other stock-based compensation, net of shares tendered for payment 5,460 $ 2 5,458      
Share-based compensation expense — stock options, restricted stock 2,806   2,806      
Treasury shares issued for Deferred Compensation Plan funding and redemptions 477   549     (72)
Shares issued pursuant to Employee Stock Plan 2,820   2,474     346
Dividends paid and accrued (28,477)     (28,477)    
Shares issued pursuant to Dividend Reinvestment Plan 46   39     7
Other (in shares)   4        
Other 205   205      
Balance (in shares) at Jun. 30, 2018   75,200        
Ending balance at Jun. 30, 2018 $ 408,134 $ 752 $ 255,894 $ 161,269 $ (204) $ (9,577)