Revenues and Expenses of Variable Interest Entities (Detail) (CAD) In Thousands, unless otherwise specified	3 Months Ended				12 Months Ended
	Mar. 31, 2013		Apr. 01, 2012		Dec. 30, 2012
Variable Interest Entity [Line Items]
Sales	523,887		523,302
Total revenues	731,537	[1]	721,284	[1]
Cost of sales	461,354		464,920
Operating expenses	75,733		65,925
Operating income	(127,917)		(131,623)
Interest expense	(8,663)		(7,898)
Income before taxes	(120,182)		(124,436)
Income taxes	(33,259)		(34,457)
Net income attributable to noncontrolling interests	752		1,200		4,881
Restaurant VIEs
Variable Interest Entity [Line Items]
Sales	86,760		78,014
Advertising levies	0	[2]	0	[2]
Total revenues	86,760		78,014
Cost of sales	85,866	[3]	76,588	[3]
Operating expenses	0	[2]	0	[2]
Operating income	894		1,426
Interest expense	0		0
Income before taxes	894		1,426
Income taxes	142		226
Net income attributable to noncontrolling interests	752		1,200
Ad Fund VIEs
Variable Interest Entity [Line Items]
Sales	0		0
Advertising levies	2,531	[2]	487	[2]
Total revenues	2,531		487
Cost of sales	0	[3]	0	[3]
Operating expenses	2,099	[2]	385	[2]
Operating income	432		102
Interest expense	432		102
Income before taxes	0		0
Income taxes	0		0
Net income attributable to noncontrolling interests	0		0
VIEs
Variable Interest Entity [Line Items]
Sales	86,760		78,014
Advertising levies	2,531	[2]	487	[2]
Total revenues	89,291		78,501
Cost of sales	85,866	[3]	76,588	[3]
Operating expenses	2,099	[2]	385	[2]
Operating income	1,326		1,528
Interest expense	432		102
Income before taxes	894		1,426
Income taxes	142		226
Net income attributable to noncontrolling interests	752		1,200

[1] There are no inter-segment revenues included in the above table.

[2] Generally, the advertising levies that are not related to the Expanded Menu Board Program are netted with advertising and marketing expenses incurred by the advertising funds in operating expenses, as these contributions are designated for specific purposes. The Company acts as an agent with regard to these contributions.

[3] Includes rents, royalties, advertising expenses and product purchases from the Company which are eliminated upon the consolidation of these VIEs.