Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Apr. 01, 2016	Apr. 03, 2015
Consolidated Statements of Comprehensive Income [Abstract]
Net income	$ 4,382	$ 3,005
Foreign currency translation adjustment	(687)	(1,336)
Total comprehensive income	$ 3,695	$ 1,669