Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Apr. 04, 2014	Mar. 29, 2013
Net income	$ 9,154	$ 7,976
Other comprehensive income:
Foreign currency translation adjustments, net of tax	52	(461)
Unrealized gains (losses) on available for sale investment securities arising during the period, net of tax	14	(12)
Comprehensive income	$ 9,220	$ 7,503