XML 113 R97.htm IDEA: XBRL DOCUMENT v3.3.1.900
Summary of Stock Option Activity (Detail) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Compensation Related Costs [Abstract]    
Shares, Options outstanding as of December 31, 2014 11,477,164  
Shares, Granted 728,770  
Shares, Exercised (1,723,345)  
Shares, Expired and forfeited (159,686)  
Shares, Options outstanding as of December 31, 2015 10,322,903 11,477,164
Shares, Options expected to vest at December 31, 2015 1,563,790  
Shares, Exercisable at December 31, 2015 8,102,226  
Weighted Average Exercise Price, Outstanding as of December 31, 2014 $ 38.11  
Weighted Average Exercise Price, Granted 116.94  
Weighted Average Exercise Price, Exercised 30.80  
Weighted Average Exercise Price, Expired and forfeited 63.79  
Weighted Average Exercise Price, Outstanding as of December 31, 2015 44.50 $ 38.11
Weighted Average Exercise Price, Excepted to Vest at December 31, 2015 62.18  
Weighted Average Exercise Price, Exercisable at December 31, 2015 $ 35.62  
Options outstanding as of December 31, 2014 5 years 7 months 6 days 6 years 2 months 12 days
Weighted Average Remaining Years, Exercisable at December 31, 2015 4 years 10 months 24 days  
Options outstanding as of December 31, 2014 [1] $ 600,112  
Options outstanding as of December 31, 2015 [1] 630,949 $ 600,112
Aggregate Intrinsic Value, Options expected to vest at December 31, 2015 [1] 66,579  
Aggregate Intrinsic Value, Exercisable at December 31, 2015 [1] $ 561,554  
[1] The aggregate intrinsic value for outstanding options is calculated as the difference between the exercise price of the underlying awards and the quoted price of the Company’s common stock as of the last trading day for the respective year. The aggregate intrinsic value of options outstanding and exercisable includes options with an exercise price below $104.76, the closing price of the Company’s common stock on December 31, 2015.