XML 63 R48.htm IDEA: XBRL DOCUMENT v3.6.0.2
Equity Award Plan Activities - Restricted Stock Unit (RSU) Activities (Details) - Restricted Stock Units (RSUs) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Number of Shares    
Unvested beginning balance (in shares) 893  
RSUs granted (in shares) 816  
RSUs vested (in shares) (244)  
RSUs forfeited/canceled (in shares) (90)  
Unvested ending balance (in shares) 1,375 893
RSUs vested and expected to vest, (in shares) 1,288  
Weighted- Average Grant Date Fair Value Per Share    
Unvested beginning balance (in dollars per share) $ 70.14  
RSUs granted (in dollars per share) 76.54  
RSUs vested (in dollars per share) 69.32  
RSUs forfeited/canceled (in dollars per share) 67.97  
Unvested ending balance (in dollars per share) 74.23 $ 70.14
RSUs vested and expected to vest, weighted average grant date fair value (in dollars per share) $ 74.14  
Restricted Stock Unit Activities, Weighted-Average Remaining Contractual Term and Aggregate Intrinsic Value    
Unvested, weighted average remaining contractual term (in years) 1 year 9 months 20 days 1 year 11 months 5 days
RSUs vested and expected to vest, weighted average contractual term (in years) 1 year 8 months 20 days  
Unvested, aggregate intrinsic value $ 133,081 $ 69,509
RSUs vested and expected to vest, aggregate intrinsic value $ 124,683