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, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Stock-based compensation expense before income taxes $ 3,545 $ 4,650 $ 7,254 $ 10,650
Income tax benefit (1,283) (1,488) (2,589) (3,614)
Stock-based compensation expense after income taxes 2,262 3,162 4,665 7,036
Selling And Marketing [Member]
       
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Stock-based compensation expense 894 630 1,856 1,812
General And Administrative [Member]
       
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Stock-based compensation expense $ 2,651 $ 4,020 $ 5,398 $ 8,838