XML 78 R65.htm IDEA: XBRL DOCUMENT v3.19.1
Common Stock and Stockholders' Equity - Schedule of Stock Option and RSU Award Activities (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2017
Number of Shares      
Beginning balance (in shares) 3,215    
Stock options granted (in shares) 473    
Stock options exercised (in shares) (822)    
Stock options canceled/forfeited (in shares) (115)    
Ending balance (in shares) 2,751 3,215  
Options vested and expected to vest (in shares) 2,728    
Options vested and exercisable (in shares) 1,921    
Weighted- Average Exercise Price      
Beginning balance (in usd per share) $ 22.79    
Stock options granted (in usd per share) 98.93    
Stock options exercised (in usd per share) 21.15    
Stock options canceled/forfeited (in usd per share) 53.43    
Ending balance (in usd per share) 35.10 $ 22.79  
Options vested and expected to vest (in usd per share) 34.59    
Options vested and exercisable (in usd per share) $ 20.02    
Weighted-Average Remaining Contractual Term (in years)      
Balance 6 years 3 months 18 days 6 years 8 months 12 days  
Options vested and expected to vest 6 years 3 months 18 days    
Options vested and exercisable 5 years 3 months 18 days    
Aggregate Intrinsic Value      
Beginning balance $ 165,041    
Stock options exercised 62,459 $ 53,200 $ 65,300
Ending balance 176,002 $ 165,041  
Options vested and expected to vest 175,803    
Options vested and exercisable $ 151,259    
Number of Shares      
Beginning balance (in shares) 2,079    
RSUs granted (in shares) 1,532    
RSUs vested (in shares) (879)    
RSUs canceled/forfeited (in shares) (313)    
Ending balance (in shares) 2,419 2,079  
RSUs expected to vest (in shares) 2,232    
Weighted- Average Grant Date Fair Value      
Beginning balance (in usd per share) $ 42.31    
RSUs granted (in usd per share) 98.74    
RSUs vested (in usd per share) 43.28    
RSUs canceled/forfeited (in usd per share) 52.76    
Ending balance (in usd per share) 76.34 $ 42.31  
RSUs expected to vest (in usd per share) $ 74.52    
Weighted- Average Remaining Contractual Term (in years)      
Balance 3 years 2 years 8 months 12 days  
Aggregate Intrinsic Value      
Balance $ 238,734 $ 154,071  
RSUs expected to vest $ 220,294