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Commitments and Contingencies - Additional Information (Detail) | 9 Months Ended
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Oct. 28, 2017
Commitments And Contingencies Disclosure [Abstract] |
Litigation matters, dismissal date | Oct. 06, 2017

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- References No definition available. + Details
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- Definition Date the pending litigation matter was dismissed, in CCYY-MM-DD format. + References No definition available. + Details
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