Other (Expense) Income, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Other Income and Expenses [Abstract]
Interest expense	$ (811)	$ (160)	$ (53)
Interest income	94	494	415
Other (expense) income, net	$ (717)	$ 334	$ 362