CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012
Cash Flows from Operating Activities:
Net income	$ 38,414	$ 35,320
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	4,733	3,956
Provision for doubtful accounts	103	111
Benefit from deferred income taxes	(785)	(884)
Provision for non-cash stock compensation	511	494
Foreign exchange gain		(2,972)
Changes in assets and liabilities:
Accounts receivable	(17,504)	(1,354)
Inventories	(699)	(21,438)
Prepaids and other current assets	(3,478)	(2,940)
Other assets	12	148
Accounts payable	2,423	14,862
Accrued compensation and other liabilities	(2,420)	(1,892)
Cash provided by operating activities	21,310	23,411
Cash Flows from Investing Activities:
Property, plant and equipment additions	(7,086)	(9,454)
Acquisition	(1,897)
Cash used in investing activities	(8,983)	(9,454)
Cash Flows from Financing Activities:
Proceeds from exercise of stock options	503	1,291
Other stock related activity	793	527
Purchase and cancellation of common stock	(1,640)	(752)
Cash (used in) provided by financing activities	(344)	1,066
Effect of Exchange Rate Changes on Cash and Cash Equivalents		27
Net Increase in Cash and Cash Equivalents	11,983	15,050
Cash and Cash Equivalents, Beginning of Period	27,708	50,196
Cash and Cash Equivalents, End of Period	39,691	65,246
Supplemental Cash Flow Information
Cash paid for interest expense	105	111
Cash paid for income taxes	$ 25,138	$ 19,154