Other (Expense) Income, Net (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 01, 2016	Oct. 03, 2015	Oct. 01, 2016	Oct. 03, 2015
Other Income and Expenses [Abstract]
Interest expense	$ (267)	$ (44)	$ (624)	$ (64)
Interest income	12	122	43	428
Other (expense) income, net	$ (255)	$ 78	$ (581)	$ 364