Unaudited Condensed Consolidated Statement of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 30, 2014	Mar. 31, 2013
Net income	$ 14,411	$ 15,343
Other comprehensive (loss) income, before tax:
Unrealized (loss) gain on derivative instruments	(205)	151
Unrealized gain (loss) on available-for-sale securities	7	(26)
Total other comprehensive (loss) income, before tax	(198)	125
Tax (expense) benefit related to items of other comprehensive income	(3)	10
Other comprehensive (loss) income, net of tax	(201)	135
Comprehensive income	$ 14,210	$ 15,478