XML 25 R76.htm IDEA: XBRL DOCUMENT v2.4.0.8
Stock Option and Restricted Stock Unit Compensation Expense (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based compensation expense $ 12,693 $ 13,862
Stock Options
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based compensation expense 2,560 2,609
Restricted Stock Units (RSUs)
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based compensation expense $ 10,133 $ 11,253