For an unclassified balance sheet, the amount due from customers or clients for goods or services that have been delivered or sold in the normal course of business, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

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Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable.

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The increase (decrease) during the reporting period in the obligation for outstanding gift cards. Retail customers purchase gift cards or gift certificates that can be redeemed at a later date for merchandise or services; those unredeemed represent a liability of the entity because the revenue is being deferred.

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REVENUE Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
REVENUE Narrative (Details) - USD ($) $ in Thousands	Dec. 26, 2018	Dec. 27, 2017	Dec. 28, 2017
Disaggregation of Revenue [Line Items]
Other long-term liabilities	$ 10,498	$ 2,553
Other current liabilities	(14,030)	(7,937)
Remaining performance obligation	15,333
Increase in gift card liability	506
Deferred revenue current	$ 253
ASC 2014-09
Disaggregation of Revenue [Line Items]
Decrease in equity		(1,574)
Other long-term liabilities			$ 1,769
Other current liabilities			(68)
Accounts receivable			$ 100
ASC 2014-09 \| Retained Earnings
Disaggregation of Revenue [Line Items]
Decrease in equity		(1,135)
ASC 2014-09 \| Non- Controlling Interest
Disaggregation of Revenue [Line Items]
Decrease in equity		$ (439)