Quarterly Results (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended											12 Months Ended
	Dec. 29, 2012 bbl		Sep. 29, 2012 bbl	Jun. 30, 2012 bbl	Mar. 31, 2012 bbl	Dec. 31, 2011 bbl		Sep. 24, 2011 bbl	Jun. 25, 2011 bbl		Mar. 26, 2011 bbl	Dec. 29, 2012	Dec. 31, 2011	Dec. 25, 2010
Quarterly Financial Information [Line Items]
Barrels sold	733,000	[1]	778,000	696,000	539,000	673,000	[2]	658,000	651,000	[3]	502,000
Net revenue	$ 153,000	[1]	$ 166,448	$ 147,503	$ 113,271	$ 142,054	[2]	$ 134,813	$ 133,957	[3]	$ 102,176	$ 628,580	$ 558,282	$ 505,870
Gross profit	79,776	[1]	93,242	80,383	61,809	80,089	[2]	76,031	76,073	[3]	52,374	315,210	284,567	256,327
Operating income	26,988	[1]	33,310	23,445	11,841	25,730	[2]	26,413	44,923	[3]	6,589	95,584	103,655	81,178
Net income	$ 16,873	[1]	$ 20,750	$ 14,351	$ 7,493	$ 17,785	[2]	$ 16,296	$ 28,019	[3]	$ 3,959	$ 59,467	$ 66,059	$ 50,142
Net income per share - basic	$ 1.31	[1]	$ 1.60	$ 1.11	$ 0.59	$ 1.41	[2]	$ 1.26	$ 2.12	[3]	$ 0.30	$ 4.60	$ 5.08	$ 3.67
Net income per share - diluted	$ 1.25	[1]	$ 1.53	$ 1.06	$ 0.56	$ 1.33	[2]	$ 1.19	$ 2.01	[3]	$ 0.28	$ 4.39	$ 4.81	$ 3.52

[1] During the fourth quarter of 2012, the Company recorded $3.5 million of promotional expenses as contra revenue which had previously been included in Advertising, promotional and selling expenses.

[2] During the fourth quarter of 2011, the Company recorded a $2.1 million decrease in its tax liabilities as a result of a state tax audit settlement and a $1.5 million decrease in its liability for refundable deposits for lost kegs and pallets.

[3] During the second quarter of 2011, the Company entered into a settlement agreement with its former glass supplier. The Company received a cash payment of $20.5 million which was recorded as an offset to operating expenses.