Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Dec. 25, 2010
Cash flows provided by operating activities:
Net income	$ 59,467	$ 66,059	$ 50,142
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	20,208	18,792	17,427
Impairment of long-lived assets	149	666	300
Loss on disposal of property, plant and equipment	54	118	64
Bad debt expense (recovery)	59	(55)	(15)
Stock-based compensation expense	6,528	6,178	3,124
Excess tax benefit from stock-based compensation arrangements	(7,894)	(5,346)	(3,014)
Deferred income taxes	2,066	(453)	4,425
Changes in operating assets and liabilities:
Accounts receivable	(8,305)	(3,161)	(2,146)
Inventories	(10,289)	(7,458)	(1,056)
Prepaid expenses and other assets	6,123	(2,146)	(3,950)
Accounts payable	8,002	(617)	(5,832)
Accrued expenses and other current liabilities	19,491	894	7,340
Other liabilities	(329)	(711)	1,021
Net cash provided by operating activities	95,330	72,760	67,830
Cash flows used in investing activities:
Purchases of property, plant and equipment	(66,010)	(19,599)	(13,608)
Cash paid for acquisition of brewery assets and other intangible assets	(1,726)
Increase in restricted cash	(628)
Proceeds from disposal of property, plant and equipment	41		20
Net cash used in investing activities	(67,323)	(19,599)	(13,588)
Cash flows used in financing activities:
Repurchase of Class A Common Stock	(18,046)	(62,824)	(67,981)
Proceeds from exercise of stock options	5,727	4,107	3,661
Proceeds from note payable	628
Excess tax benefit from stock-based compensation arrangements	7,894	5,346	3,014
Net proceeds from sale of investment shares	803	691	552
Net cash used in financing activities	(2,994)	(52,680)	(60,754)
Change in cash and cash equivalents	25,013	481	(6,512)
Cash and cash equivalents at beginning of year	49,450	48,969	55,481
Cash equivalents at end of year	74,463	49,450	48,969
Supplemental disclosure of cash flow information:
Income taxes paid	18,782	40,556	24,769
Allocation of purchase consideration to brewery acquisition to the following assets:
Property, plant and equipment	338
Trade name	401
Goodwill	$ 1,161