Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013
Net income	$ 27,638	$ 26,780
Other comprehensive income (loss):
Unrealized holding gains (losses) on available-for-sale investments, net of tax benefit (expense) of ($60) and $31	110	(58)
Foreign currency translation losses	(432)	(225)
Other comprehensive loss	(322)	(283)
Comprehensive income	$ 27,316	$ 26,497