v2.4.0.8
Schedule of Pre-Tax Stock-Based Compensation Expense (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award    
Stock-based compensation expense $ 6,246 $ 4,949
RSUs
   
Share-based Compensation Arrangement by Share-based Payment Award    
Stock-based compensation expense 5,396 3,672
Stock Options
   
Share-based Compensation Arrangement by Share-based Payment Award    
Stock-based compensation expense 804 1,209
Restricted Stock
   
Share-based Compensation Arrangement by Share-based Payment Award    
Stock-based compensation expense $ 46 $ 68