Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 02, 2015	Oct. 03, 2014	Oct. 02, 2015	Oct. 03, 2014
Net income	$ 11,719	$ 11,040	$ 33,749	$ 31,458
Other comprehensive income (loss):
Foreign currency translation adjustments, net of tax	(199)	(840)	(535)	(471)
Unrealized gains (losses) on available-for- sale investment securities arising during the period, net of tax	13	(13)	(4)	9
Comprehensive income	$ 11,533	$ 10,187	$ 33,210	$ 30,996