Other Long-Term Liabilities (Detail) (CAD) In Thousands, unless otherwise specified	Mar. 31, 2013		Dec. 30, 2012
Accounts Payable And Accrued Liabilities Current And Noncurrent [Line Items]
Accrued rent leveling liability	28,660		29,244
Uncertain tax position liability	28,726	[1]	28,610	[1]
Stock-based compensation liabilities (note 11)	22,443		17,479
Maidstone Bakeries supply contract deferred liability	13,746		15,352
Other accrued long-term liabilities	19,445	[2]	18,929	[2]
Other long-term liabilities	113,020		109,614

[1] Includes accrued interest.

[2] Includes deferred revenues and various other accruals.