Other (Expense) Income, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Other Income and Expenses [Abstract]
Interest expense	$ (975)	$ (811)	$ (160)
Interest income	98	94	494
Other (expense) income, net	$ (877)	$ (717)	$ 334