Stock-Based Compensation - Summary of Incentive Equity Awards (Detail) | 3 Months Ended |
Sep. 30, 2015$ / sharesshares |
Stock Options [Member] | | |
Number of Options | | |
Number of Options, Beginning balance (in shares) | 7,673,947 | |
Number of Options, Granted (in shares) | 0 | |
Number of Options, Exercise of stock options (in shares) | (150,210) | [1] |
Number of Options, Expired/forfeited (in shares) | (52,167) | |
Number of Options, Ending balance (in shares) | 7,471,570 | [2],[3] |
Weighted-Average Exercise Price | | |
Weighted-Average Exercise Price, Beginning balance (in dollars per share) | $ / shares | $ 29 | |
Weighted-Average Exercise Price, Granted (in dollars per share) | $ / shares | 0 | |
Weighted-Average Exercise Price, Exercise of stock options (in dollars per share) | $ / shares | 20.60 | [1] |
Weighted-Average Exercise Price, Expired/forfeited (in dollars per share) | $ / shares | 30.53 | |
Weighted-Average Exercise Price, Ending balance (in dollars per share) | $ / shares | $ 29.16 | [2],[3] |
Time-Based Restricted Stock Units [Member] | | |
Number of Options | | |
Number of Options, Beginning balance (in shares) | 1,526,460 | |
Number of Options, Granted (in shares) | 18,972 | |
Number of Options, Vesting of restricted stock units (in shares) | 0 | |
Number of Options, Expired/forfeited (in shares) | (47,143) | |
Number of Options, Ending balance (in shares) | 1,498,289 | [2],[3] |
Weighted-Average Grant Date Fair Value | | |
Weighted-Average Grant Date Fair Value, Beginning balance (in dollars per share) | $ / shares | $ 34.51 | |
Weighted-Average Grant Date Fair Value, Granted (in dollars per share) | $ / shares | 54.39 | |
Weighted-Average Grant Date Fair Value, Vesting of restricted stock units (in dollars per share) | $ / shares | 0 | |
Weighted-Average Grant Date Fair Value, Expired/forfeited (in dollars per share) | $ / shares | 34.91 | |
Weighted-Average Grant Date Fair Value, Ending balance (in dollars per share) | $ / shares | $ 34.75 | [2],[3] |
Performance-Based Restricted Stock Units [Member] | | |
Number of Options | | |
Number of Options, Beginning balance (in shares) | 547,865 | |
Number of Options, Granted (in shares) | 0 | |
Number of Options, Vesting of restricted stock units (in shares) | 0 | |
Number of Options, Expired/forfeited (in shares) | (74,220) | |
Number of Options, Ending balance (in shares) | 473,645 | [2],[3] |
Weighted-Average Grant Date Fair Value | | |
Weighted-Average Grant Date Fair Value, Beginning balance (in dollars per share) | $ / shares | $ 33.94 | |
Weighted-Average Grant Date Fair Value, Granted (in dollars per share) | $ / shares | 0 | |
Weighted-Average Grant Date Fair Value, Vesting of restricted stock units (in dollars per share) | $ / shares | 0 | |
Weighted-Average Grant Date Fair Value, Expired/forfeited (in dollars per share) | $ / shares | 22.75 | |
Weighted-Average Grant Date Fair Value, Ending balance (in dollars per share) | $ / shares | $ 35.69 | [2],[3] |
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[1] | Stock options exercised during the period of July 1, 2015 through September 30, 2015 had an aggregate intrinsic value of $5.1 million. |
[2] | As of September 30, 2015, the Company's outstanding vested and currently exercisable stock options using the September 30, 2015 closing stock price of $55.35 (approximately 4.3 million shares) had an aggregate intrinsic value of $138.8 million with a weighted-average exercise price of $23.22 and a weighted-average remaining contractual life of 4.8 years. The total of all stock options outstanding as of September 30, 2015 have a weighted-average remaining contractual life of 6.2 years |
[3] | As of September 30, 2015, time-based restricted stock units and performance-based restricted stock units expected to vest using the September 30, 2015 share price of $55.35 (approximately 1.4 million and 0.5 million shares, respectively) had an aggregate intrinsic value of $79.4 million and $26.1 million, respectively. |