Stock-Based Compensation (Detail) - Summary Of Changes In RSUs Outstanding (Restricted stock units (RSUs), USD $)
|
6 Months Ended | |||||||
---|---|---|---|---|---|---|---|---|
Jun. 30, 2014
|
||||||||
Restricted stock units (RSUs)
|
||||||||
Restricted Stock Units (RSUs) [Roll Forward] | ||||||||
Outstanding at December 31, 2013 (in shares) | 1,800,000 | |||||||
Granted (in shares) | 500,000 | [1] | ||||||
Vested and released (in shares) | (800,000) | |||||||
Forfeited (in shares) | (100,000) | |||||||
Outstanding at June 30, 2014 (in shares) | 1,400,000 | [2],[3] | ||||||
Per Share Weighted Average Grant Date Fair Value [Roll Forward] | ||||||||
Outstanding at December 31, 2013 (in Dollars per share) | $ 38.83 | |||||||
Granted (in Dollars per share) | $ 65.02 | [1] | ||||||
Vested and released (in Dollars per share) | $ 34.16 | |||||||
Forfeited (in Dollars per share) | $ 0.00 | |||||||
Outstanding at June 30, 2014 (in Dollars per share) | $ 50.64 | [2],[3] | ||||||
|