Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 25, 2010	Dec. 26, 2009
Cash Flows from Operating Activities:
Net income	$ 53,277	$ 46,138	$ 26,495
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	7,737	8,012	7,835
Asset write-downs	2,583	1,007
Provision for doubtful accounts	318	174	354
Provision for deferred income tax	(1,997)	427	(388)
Provision for non-cash stock compensation	620	212	236
Changes in assets and liabilities:
Accounts receivable	(22,962)	(13,728)	(11,141)
Inventories	2,794	(30,067)	4,252
Prepaids and other current assets	(439)	62	(18)
Other assets	(406)	218	(738)
Accounts payable	(2,377)	17,812	(6,025)
Accrued compensation and other liabilities	(1,085)	449	6,721
Cash provided by operating activities	38,063	30,716	27,583
Cash Flows from Investing Activities:
Property, plant and equipment additions	(18,102)	(11,453)	(7,830)
Cash used in investing activities	(18,102)	(11,453)	(7,830)
Cash Flows from Financing Activities:
Repayment of long-term debt obligations		(356)	(86)
Net repayment of revolving credit facility			(15,000)
Proceeds from exercise of stock options	629	757	283
Other stock related activity	953	1,338	333
Purchase and cancellation of common stock	(1,586)	(1,290)	(872)
Cash (used in) provided by financing activities	(4)	449	(15,342)
Effect of exchange rate changes on Cash and Cash Equivalents	(224)	125	391
Net Increase in Cash and Cash Equivalents	19,733	19,837	4,802
Cash and Cash Equivalents, Beginning of Year	30,463	10,626	5,824
Cash and Cash Equivalents, End of Year	50,196	30,463	10,626
Supplemental Cash Flow Information
Cash paid for interest expense	222	244	345
Cash paid for income taxes	$ 33,398	$ 27,868	$ 15,620