XML 78 R61.htm IDEA: XBRL DOCUMENT v3.3.1.900
STOCK INCENTIVE PLANS - Stock Options Outstanding and Exercisable (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 2,226,286 2,582,804 2,850,455 3,358,716
Options outstanding, weighted-average remaining contractual life (in years) 5 years 8 months 27 days      
Options outstanding, weighted-average exercise price (in dollars per share) $ 169.96      
Options outstanding intrinsic value $ 72,638      
Options exercisable (in shares) 1,411,460      
Options exercisable, weighted-average remaining contractual life (in years) 4 years 3 months 7 days      
Options exercisable, weighted-average exercise price (in dollars per share) $ 128.52      
Options exercisable intrinsic value $ 104,551      
Range 1 of Exercise Prices [Member]        
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]        
Exercise price range, lower range limit (in dollars per share) $ 52.29      
Exercise price range, upper range limit (in dollars per share) $ 78.86      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 172,843      
Options outstanding, weighted-average remaining contractual life (in years) 1 year 1 month 10 days      
Options outstanding, weighted-average exercise price (in dollars per share) $ 75.99      
Options outstanding intrinsic value $ 21,883      
Options exercisable (in shares) 172,843      
Options exercisable, weighted-average remaining contractual life (in years) 1 year 1 month 10 days      
Options exercisable, weighted-average exercise price (in dollars per share) $ 75.99      
Options exercisable intrinsic value $ 21,883      
Range 2 of Exercise Prices [Member]        
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]        
Exercise price range, lower range limit (in dollars per share) $ 81.49      
Exercise price range, upper range limit (in dollars per share) $ 85.82      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 291,301      
Options outstanding, weighted-average remaining contractual life (in years) 2 years 9 months 29 days      
Options outstanding, weighted-average exercise price (in dollars per share) $ 82.68      
Options outstanding intrinsic value $ 34,930      
Options exercisable (in shares) 291,301      
Options exercisable, weighted-average remaining contractual life (in years) 2 years 9 months 29 days      
Options exercisable, weighted-average exercise price (in dollars per share) $ 82.68      
Options exercisable intrinsic value $ 34,930      
Range 3 of Exercise Prices [Member]        
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]        
Exercise price range, lower range limit (in dollars per share) $ 102.26      
Exercise price range, upper range limit (in dollars per share) $ 124.93      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 353,384      
Options outstanding, weighted-average remaining contractual life (in years) 4 years 3 months 15 days      
Options outstanding, weighted-average exercise price (in dollars per share) $ 107.19      
Options outstanding intrinsic value $ 33,713      
Options exercisable (in shares) 353,384      
Options exercisable, weighted-average remaining contractual life (in years) 4 years 3 months 15 days      
Options exercisable, weighted-average exercise price (in dollars per share) $ 107.19      
Options exercisable intrinsic value $ 33,713      
Range 4 of Exercise Prices [Member]        
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]        
Exercise price range, lower range limit (in dollars per share) $ 149.02      
Exercise price range, upper range limit (in dollars per share) $ 204.24      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 576,025      
Options outstanding, weighted-average remaining contractual life (in years) 5 years 9 months 29 days      
Options outstanding, weighted-average exercise price (in dollars per share) $ 176.89      
Options outstanding intrinsic value $ 14,804      
Options exercisable (in shares) 576,025      
Options exercisable, weighted-average remaining contractual life (in years) 5 years 9 months 29 days      
Options exercisable, weighted-average exercise price (in dollars per share) $ 176.89      
Options exercisable intrinsic value $ 14,804      
Range 5 of Exercise Prices [Member]        
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]        
Exercise price range, lower range limit (in dollars per share) $ 224.85      
Exercise price range, upper range limit (in dollars per share) $ 262.14      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 832,733      
Options outstanding, weighted-average remaining contractual life (in years) 8 years 3 months 11 days      
Options outstanding, weighted-average exercise price (in dollars per share) $ 241.85      
Options outstanding intrinsic value $ (32,692)      
Options exercisable (in shares) 17,907      
Options exercisable, weighted-average remaining contractual life (in years) 7 years 4 months 28 days      
Options exercisable, weighted-average exercise price (in dollars per share) $ 246.08      
Options exercisable intrinsic value $ (779)