XML 89 R73.htm IDEA: XBRL DOCUMENT v3.3.1.900
Stock-Based Compensation (Summary Of RSUs Under The 2007 Plan) (Details) - 2007 and 2012 Incentive Plan [Member] - Restricted Stock Units (RSUs) [Member] - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Number of Shares [Roll Forward]      
Restricted Stock Units outstanding, beginning balance (in shares) 725,000 733,000 605,000
Granted (in shares) 248,000 189,000 301,000
Released (in shares) (212,000) (189,000) (152,000)
Forfeited (in shares) (11,000) (8,000) (21,000)
Restricted Stock Units outstanding, ending balance (in shares) 750,000 725,000 733,000
Expected to vest (in shares) 731,000 691,000 683,000
Weighted Average Price [Roll Forward]      
Beginning balance (USD per share) $ 77.84    
Granted (USD per share) 141.90    
Released (USD per share) 180.64    
Forfeited (USD per share) 69.96    
Ending balance (USD per share) $ 84.67 $ 77.84  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]      
Ending balance, Weighted average remaining contractual term (years) 1 year 9 months 18 days    
Expected to Vest, Weighted average remaining contractual term (years) 1 year 8 months 12 days    
Ending balance, Aggregate intrinsic value $ 131,028    
Expected to Vest, Aggregate intrinsic value $ 127,444