Net Income (Loss) Per Share - Schedule of Weighted-Average Shares Used for Net Income (Loss) per Share (Parenthetical) (Detail) - Common Stock [Member] - $ / shares |
May 05, 2018 |
Jun. 30, 2015 |
Jun. 30, 2014 |
---|---|---|---|
Convertible Senior Notes Due 2019 [Member] | |||
Earnings Per Share Diluted [Line Items] | |||
Conversion price per share | $ 116.09 | $ 116.09 | |
Convertible Senior Notes Due 2020 [Member] | |||
Earnings Per Share Diluted [Line Items] | |||
Conversion price per share | $ 118.13 | $ 118.13 |