Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012
Cash flows provided by operating activities:
Net income	$ 52,313	$ 42,594
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	18,485	14,888
Impairment of long-lived assets	1,300
Loss on disposal of property, plant and equipment	329	85
Bad debt expense (recovery)	(41)	3
Stock-based compensation expense	5,763	5,181
Excess tax benefit from stock-based compensation arrangements	(4,990)	(7,278)
Deferred income tax	(113)	115
Changes in operating assets and liabilities:
Accounts receivable	(21,054)	(10,900)
Inventories	(15,152)	(4,068)
Prepaid expenses and other assets	(5,715)	1,607
Accounts payable	7,070	7,664
Accrued expenses and other current liabilities	28,815	15,250
Other liabilities	(131)	(350)
Net cash provided by operating activities	66,879	64,791
Cash flows used in investing activities:
Purchases of property, plant and equipment	(73,101)	(49,514)
Cash paid for acquisition of brewery assets and other intangible assets	(2,753)	(1,625)
Decrease (Increase) in restricted cash	62	(628)
Proceeds from disposal of property, plant and equipment		41
Net cash used in investing activities	(75,792)	(51,726)
Cash flows (used in) provided by financing activities:
Repurchase of Class A Common Stock	(29,586)	(12,569)
Proceeds from exercise of stock options	2,269	4,370
Proceeds from note payable		628
Cash paid on note payable and capital lease	(244)
Excess tax benefit from stock-based compensation arrangements	4,990	7,278
Net proceeds from sale of investment shares	747	614
Net cash (used in) provided by financing activities	(21,824)	321
Change in cash and cash equivalents	(30,737)	13,386
Cash and cash equivalents at beginning of period	74,463	49,450
Cash and cash equivalents at end of period	43,726	62,836
Supplemental disclosure of cash flow information:
Income taxes paid	17,180	9,173
Acquisition of property and equipment under capital lease	252
Allocation of purchase consideration to brewery acquisition to the following assets:
Property, plant and equipment		338
Trade name	1,608	401
Goodwill	$ 1,145	$ 1,161