Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 26, 2011
Cash Flows from Operating Activities:
Net income	$ 15,578	$ 12,386
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	1,953	1,859
Provision for doubtful accounts	73	115
Provision for deferred income taxes	(285)	(123)
Provision for non-cash stock compensation	237	86
Changes in assets and liabilities:
Accounts receivable	(15,848)	(2,000)
Inventories	(1,864)	(3,872)
Prepaids and other current assets	111	(11)
Other assets	(54)	12
Accounts payable	11,313	(2,081)
Accrued compensation and other liabilities	2,811	2,804
Cash provided by operating activities	14,025	9,175
Cash Flows from Investing Activities:
Property, plant and equipment additions	(4,495)	(5,154)
Cash used in investing activities	(4,495)	(5,154)
Cash Flows from Financing Activities:
Proceeds from exercise of stock options	69	274
Other stock related activity	70	5
Purchase and cancellation of common stock	(284)	(777)
Cash used in financing activities	(145)	(498)
Effect of exchange rate changes on cash and cash equivalents	227	153
Net Increase in Cash and Cash Equivalents	9,612	3,676
Cash and Cash Equivalents, Beginning of Period	50,196	30,463
Cash and Cash Equivalents, End of Period	59,808	34,139
Supplemental Cash Flow Information
Cash paid for interest expense	53	51
Cash paid for income taxes	$ 1,025	$ 463