Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jan. 03, 2015	Dec. 28, 2013	Dec. 29, 2012
Condensed Consolidated Statements of Comprehensive Income
Net income	$ 38,021	$ 49,819	$ 63,548
Net changes to available-for-sale securities:
Unrealized gains (losses) arising during the period	1,107	(535)	1,000
Reclassification for gains included in net income		(232)
Net changes to cash flow hedges:
Unrealized gains (losses) arising during the period	(799)	611	(956)
Reclassification for losses included in net income	618	560	2,295
Other comprehensive income, before tax	926	404	2,339
Provision for income taxes	324	142	818
Other comprehensive income	602	262	1,521
Comprehensive income	$ 38,623us-gaap_ComprehensiveIncomeNetOfTax	$ 50,081us-gaap_ComprehensiveIncomeNetOfTax	$ 65,069us-gaap_ComprehensiveIncomeNetOfTax

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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