Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Awards (Stock-Based Compensation Expense) (Details)

v3.3.0.814
Stock-Based Awards (Stock-Based Compensation Expense) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Stock-based compensation expense before income taxes $ 4,389 $ 3,881 $ 13,814 $ 11,691
Income tax benefit (1,539) (1,401) (4,897) (4,224)
Stock-based compensation expense after income taxes 2,850 2,480 8,917 7,467
Selling and marketing        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Allocated Share-based compensation expense 1,472 1,135 4,624 3,424
General and administrative        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Allocated Share-based compensation expense $ 2,917 $ 2,746 $ 9,190 $ 8,267