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Accounts Payable (Detail) (CAD)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 30, 2012
Accounts Payable And Accrued Liabilities Current And Noncurrent [Line Items]    
Accounts payable 100,492 126,312
Construction holdbacks and accruals 27,724 31,008
Corporate reorganization accrual (note 2) 6,175 12,442
Accounts payable 134,391 169,762