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Schedule of Restricted Stock Unit Awards Aggregate Intrinsic Value (Detail) (Restricted Stock Units, USD $) In Thousands, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
--- | --- | --- | ---
Restricted Stock Units |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |
Outstanding | $ 81,680 | $ 83,949 | $ 79,598
Expected to vest | $ 77,388 | $ 78,718 | $ 75,860

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- Definition Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested And Expected To Vest Intrinsic Value + References No definition available. + Details
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- Definition Intrinsic value of equity-based compensation awards outstanding. Excludes stock and unit options. + References No definition available. + Details
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