Condensed Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Oct. 03, 2015	Sep. 27, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 4,892	$ 4,937	$ 15,579	$ 12,226
Other comprehensive income, net of tax
Foreign currency translation adjustment, net of tax	(8)	21	(3)	30
Total comprehensive income	$ 4,884	$ 4,958	$ 15,576	$ 12,256