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REVENUE Contract Balances (Details) - USD ($) $ in Thousands	Dec. 26, 2018	Dec. 27, 2017
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Gift card liability	$ 1,796	$ 1,472
Deferred revenue, current	307	265
Deferred revenue, long-term	10,026	3,742
Shack sales
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Contract with customer, asset, net	2,550	2,184
Licensing receivables
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Contract with customer, asset, net	$ 2,616	$ 1,522

X

- Definition

Carrying value as of the balance sheet date of the liability 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.

+ References

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