Commitments and Contingencies - Additional Information (Detail) (USD $)	1 Months Ended	12 Months Ended				6 Months Ended
	Jan. 31, 2011	Dec. 29, 2012	Dec. 31, 2011	Dec. 25, 2010	Sep. 25, 2010	Jun. 30, 2012 Property Plant and Equipment City Of Cincinnati Second Agreement	Jun. 30, 2012 Current Liabilities City Of Cincinnati Second Agreement	Jun. 30, 2012 Other Assets City Of Cincinnati Second Agreement	Sep. 25, 2010 Environmental Matters	Dec. 29, 2012 Barley, Wheat, and Malt	Dec. 29, 2012 Glass Bottles	Dec. 29, 2012 Hops	Dec. 29, 2012 Hops and Malt	Dec. 29, 2012 Machinery And Plant Equipment	Dec. 29, 2012 Advertising Contracts	Dec. 29, 2012 Other Non-Cancelable Commitments
Commitments and Contingencies Disclosure [Line Items]
Purchase commitments		$ 106,800,000								$ 10,400,000	$ 15,400,000	$ 29,700,000	$ 40,100,000	$ 25,600,000	$ 14,700,000	$ 11,000,000
Rent expense		2,000,000	1,400,000	1,300,000
Damages and expenses to be paid by High Falls Brewery Company, LLC	1,300,000
Property, plant and equipment, net		189,948,000	143,586,000						300,000
Grant receivable-environmental remediation		1,330,000	2,589,000		2,600,000
Environmental remediation costs		1,469,000	2,589,000		2,600,000
Environmental remediation cost		$ 3,200,000				$ 263,000	$ 663,000	$ 663,000