Schedule II - VALUATION AND QUALIFYING ACCOUNTS (Details) - Valuation Allowance for Deferred Tax Assets - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Valuation Allowance
Balance at Beginning of Period	$ 6,518	$ 12,361	$ 10,264
Additions Charged to Expenses	435	2,110	2,715
Additions Charged to Other Accounts		1,732
Deductions	(1,978)	(9,685)	(618)
Balance at End of Period	$ 4,975	$ 6,518	$ 12,361