Summary of Significant Accounting Policies (Detail) - Changes in the net carrying amount of goodwill (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended		3 Months Ended	12 Months Ended		3 Months Ended	12 Months Ended		3 Months Ended	4 Months Ended	12 Months Ended
	Dec. 29, 2012	Jun. 16, 2012	Dec. 29, 2012	Dec. 31, 2011	Dec. 29, 2012 Military [Member]	Dec. 29, 2012 Military [Member]	Jan. 01, 2011 Military [Member]	Jun. 16, 2012 Food Distribution [Member]	Dec. 29, 2012 Food Distribution [Member]	Jan. 01, 2011 Food Distribution [Member]	Jun. 16, 2012 Retail [Member]	Oct. 06, 2012 Retail [Member]	Dec. 29, 2012 Retail [Member]	Dec. 31, 2011 Retail [Member]
Goodwill as of			$ 170,941	$ 167,166		$ 34,639	$ 34,639		$ 112,978	$ 112,978			$ 23,324	$ 19,549
Retail store acquisition			23,028	4,085								22,900	23,028	4,085
Retail store sales/closures			(4,462)	(310)							4,500		(4,462)	(310)
Goodwill impairment	(132,000)	(34,600)	(166,630)		(34,600)	(34,639)		(113,000)	(112,978)		(19,000)		(19,013)
Goodwill as of	$ 22,877		$ 22,877	$ 170,941			$ 34,639			$ 112,978			$ 22,877	$ 23,324