Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Summary Of Stock-Based Compensation Expense) (Details)

v2.4.0.8
Stock-Based Compensation (Summary Of Stock-Based Compensation Expense) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense $ 2,928 $ 2,250 $ 8,136 $ 6,532
Employee Stock Options [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense 909 873 2,652 2,583
Restricted Stock Units [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense $ 2,019 $ 1,377 $ 5,484 $ 3,949