Restricted Share Unit Activity (Parenthetical) (Detail) - shares	Dec. 01, 2015	Dec. 23, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted share unit of shares vested but not settled	849	283

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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