Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Cash Flows from Operating Activities:
Net income	$ 81,920	$ 70,962	$ 53,277
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation, amortization and accretion	10,159	8,225	7,737
Asset write-downs			2,583
Provision for doubtful accounts	194	266	318
Provision (benefit) for deferred income tax	267	(2,384)	(1,997)
Provision for non-cash stock compensation	960	1,007	620
Foreign exchange gain		(2,987)
Changes in assets and liabilities:
Accounts receivable	(40,791)	(9,730)	(22,962)
Inventories	(19,045)	(29,405)	2,794
Prepaids and other current assets	840	293	(439)
Other assets	(376)	(144)	(406)
Accounts payable	17,627	10,738	(2,377)
Accrued compensation and other liabilities	9,804	2,070	(1,085)
Cash provided by operating activities	61,559	48,911	38,063
Cash Flows from Investing Activities:
Property, plant and equipment additions	(24,666)	(18,078)	(18,102)
Acquisition	(1,897)
Cash used in investing activities	(26,563)	(18,078)	(18,102)
Cash Flows from Financing Activities:
Dividends paid		(54,716)
Proceeds from exercise of stock options	551	1,606	629
Other stock related activity	827	1,663	953
Purchase and cancellation of common stock	(3,489)	(1,943)	(1,586)
Cash used in financing activities	(2,111)	(53,390)	(4)
Effect of exchange rate changes on Cash and Cash Equivalents		69	(224)
Net Increase (Decrease) in Cash and Cash Equivalents	32,885	(22,488)	19,733
Cash and Cash Equivalents, Beginning of Year	27,708	50,196	30,463
Cash and Cash Equivalents, End of Year	60,593	27,708	50,196
Supplemental Cash Flow Information
Cash paid for interest expense	201	219	222
Cash paid for income taxes	$ 44,291	$ 35,329	$ 33,398