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Stock-Based Compensation - Summary of Grants of Performance Based Restricted Stock Units Associated with NEOs and Key Employees (Parenthetical) (Detail) - Performance Based Restricted Stock Units [Member] - NEOs [Member] - $ / shares | Aug. 02, 2018 | Jul. 13, 2017
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Fair value adjustment to closing price of common stock, percentage | 76.00% | 98.00%
Fair value adjustment to closing price of common stock, per share | $ (5.84) | $ (0.65)
Closing price of common stock | $ 24.35 | $ 32.50

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- Definition The percentage adjustment to the closing price of common stock to reflect the fair market value per share of common stock determined using the Monte Carlo simulation model. + References No definition available. + Details
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- Definition The increase (decrease) to the closing price of common stock to reflect the fair market value per share of common stock determined using the Monte Carlo simulation model. + References No definition available. + Details
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- Details
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