Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
Sep. 28, 2013	Sep. 29, 2012
Cash (Used in) Provided by Operating Activities:
Net (Loss) Income	$ (5,511)	$ 7,238
Adjustments to reconcile net (loss) income to net cash (used in) provided by operating activities:
Depreciation	3,608	3,813
Amortization	534	554
Amortization of deferred gain	(2,216)	(391)
Loss on sale of assets	2,053
Provision for bad debts	234	(177)
Deferred income taxes	5,455	(320)
Stock-based compensation and directors' fees	4,790	1,076
Excess tax benefit from stock-based awards	(2,755)	(644)
Unrealized gain on short-term investments		(10)
Unrealized (gain) loss on foreign exchange contracts		137
Unrealized foreign currency transaction gain	(108)	(71)
Changes in operating assets and liabilities:
Accounts receivable	6,351	337
Inventories	(10,405)	(2,668)
Other assets	1,081	895
Accounts payable	(6,463)	(1,727)
Other liabilities	(4,382)	(3,890)
Net Cash (Used in) Provided By Operating Activities	(7,734)	4,152
Cash Provided by (Used in) Investing Activities:
Purchases of short-term investments	(128)	(23,042)
Sales of short-term investments	63	22,826
Proceeds from sale of Assets	50,424
Additions to property, plant and equipment	(4,046)	(4,203)
Additions to trademarks and patents	(173)	(265)
Net Cash Provided by (Used in) Investing Activities	46,140	(4,684)
Cash Used in Financing Activities:
Borrowing on long-term debt		3,000
Repayment of long-term debt		(7,221)
Excess tax benefit from stock-based awards	2,755	644
Repurchase of share-based awards to satisfy tax withholdings	(1,162)
Proceeds from sale of Class A common stock, net	90	320
Purchase of treasury stock	(3,113)	(2,198)
Net Cash Used in Financing Activities	(1,430)	(5,455)
Effect of exchange rate changes on cash and cash equivalents	(220)	595
Increase (Decrease) in Cash and Cash Equivalents	36,756	(5,392)
Cash and cash equivalents at beginning of period	27,120	25,991
Cash and Cash Equivalents at End of Period	63,876	20,599
SUPPLEMENTAL INFORMATION
Income taxes paid, net	1,236	1,490
Interest paid	$ 322	$ 371

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.