Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands	9 Months Ended
	Oct. 01, 2011	Oct. 02, 2010
Operating activities
Net loss	$ (8,118)	$ (11,030)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	9,202	6,483
Amortization of intangibles	3,328	1,164
Share-based compensation	1,946	2,112
Deferred income taxes	187	12,232
Amortization of deferred financing costs	95	20
Loss from disposition of assets		(15)
Changes in operating assets and liabilities:
Accounts receivable	(3,466)	2,943
Inventory	2,383	(15,871)
Prepaid expense and other current assets	(105)	(5,969)
Other non-current assets		(137)
Accounts payable and accrued expenses	2,725	7,357
Other current liabilities	1,940	1,656
Other non-current liabilities	283	663
Net cash provided by operating activities	10,400	1,608
Investing activities
Additions to property and equipment	(11,140)	(9,798)
Purchases of intangibles	(63)	(1,003)
Changes in restricted cash	319	(319)
Proceeds from sale of marketable securities	2,100	29,409
Purchases of marketable securities	(55)	(19,225)
Purchases of company-owned life insurance	(281)	(250)
Proceeds from purchase price adjustment	787
Acquisition, net of cash acquired		(27,500)
Net cash used in investing activities	(8,333)	(28,686)
Financing activities
Proceeds from long-term debt		25,000
Payments made on long-term debt	(4,562)
Changes in book overdraft	(85)
Payments of short-term financing	(122)	(5)
Payments of debt financing costs	(53)	(467)
Proceeds from exercise of stock options	324	788
Net cash (used in) provided by financing activities	(4,498)	25,316
Effect of exchange rate changes on cash	(13)	51
Net change in cash and cash equivalents	(2,444)	(1,711)
Cash and cash equivalents, beginning of period	17,595	26,251
Cash and cash equivalents, end of period	15,151	24,540
Supplemental disclosure of non-cash investing and financing activities:
Accrued asset purchases	1,191	589
Property acquired under capital lease	32	285
Unrealized gain (loss) on investments	58	(98)
Supplemental disclosure of cash flow information:
Cash paid during the period for income taxes	9	103
Cash paid during the period for interest	$ 853	$ 97