Condensed Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2016	Jul. 04, 2015	Jul. 02, 2016	Jul. 04, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 21,584	$ 20,945	$ 12,471	$ 10,686
Other comprehensive income, net of tax
Foreign currency translation adjustment	(3)	(113)	(234)	5
Total comprehensive income	$ 21,581	$ 20,832	$ 12,237	$ 10,691