Acquisition (Detail) - Acquisition (Acquisition – No Frills[Member], USD $) In Thousands, unless otherwise specified	Jun. 25, 2012
Acquisition – No Frills[Member]
Cash and cash equivalents	$ 441
Accounts receivable	1,893
Inventories	14,771
Prepaid expenses	209
Property, plant and equipment	8,981
Tradename	2,900
Leasehold interest	3,540
Other assets	327
Total identifiable assets acquired	33,062
Accounts payable	3,910
Accrued expenses	1,260
Other long-term liabilities	1,479
Total liabilities assumed	6,649
Net assets acquired	$ 26,413