Summary of Valuation and Qualifying Accounts (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Dec. 25, 2010
Allowance for Doubtful Accounts
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	$ 66	$ 121	$ 199
Net Provision (Recovery)	59	(55)	(15)
Amounts Charged Against Reserves			(63)
Balance at End of Period	125	66	121
Discount Accrual
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	2,106	2,012	1,784
Net Provision (Recovery)	19,494	18,831	18,762
Amounts Charged Against Reserves	(19,285)	(18,737)	(18,534)
Balance at End of Period	2,315	2,106	2,012
Inventory Obsolescence Reserve
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	1,773	3,615	3,686
Net Provision (Recovery)	2,405	2,569	877
Amounts Charged Against Reserves	(3,106)	(4,411)	(948)
Balance at End of Period	1,072	1,773	3,615
Stale Beer Reserve
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	2,019	1,287	2,464
Net Provision (Recovery)	3,174	3,375	1,758
Amounts Charged Against Reserves	(3,334)	(2,643)	(2,935)
Balance at End of Period	$ 1,859	$ 2,019	$ 1,287