Quarterly report pursuant to Section 13 or 15(d)

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

v2.4.0.8
Stock-Based Awards (Stock-Based Compensation Expense) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Stock-based compensation expense before income taxes $ 3,784 $ 3,545 $ 7,810 $ 7,254
Income tax benefit (1,386) (1,283) (2,822) (2,589)
Stock-based compensation expense after income taxes 2,398 2,262 4,988 4,665
Selling And Marketing [Member]
       
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Stock-based compensation expense 1,096 894 2,289 1,856
General And Administrative [Member]
       
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Stock-based compensation expense $ 2,688 $ 2,651 $ 5,521 $ 5,398