Schedule II - Valuation and Qualifying Accounts and Reserves - Schedule of Valuation and Qualifying Accounts and Reserves (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017
SEC Schedule, 12-09, Allowance, Credit Loss [Member]
Balance at Beginning of Period	$ 967	$ 1,402
Charged to Costs and Expenses	1,106	662
Deduction	(630)	(1,097)
Balance at End of Period	1,443	967
SEC Schedule, 12-09, Reserve, Legal [Member]
Balance at Beginning of Period	125	455
Charged to Costs and Expenses		192
Deduction	125	(522)
Balance at End of Period		$ 125