Revenues - Contract Balances (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 25, 2019	Dec. 26, 2018
Movement in Deferred Revenue [Roll Forward]
Balance, December 26, 2018	$ 20,538
Fees received from franchisees	4,796
Revenue recognized	(2,077)
Balance, September 25, 2019	23,257
Less current portion included in other current liabilities	2,182
Deferred franchise revenue included in other noncurrent liabilities	21,075
Revenue recognized included in beginning deferred franchise revenue balance	1,800
Gift card liabilities	4,272	$ 6,546
Revenue recognized from gift card redemptions	$ 1,800

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.

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Amount of deferred revenue recognized for transactions arising during the current reporting period. Deferred revenue is a liability as of the balance sheet date related to a revenue producing activity for which revenue has not yet been recognized. Generally, an Entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

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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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