Revenues - (Contract Balance) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 30, 2020	Dec. 25, 2019
Contract With Customer Liability [Roll Forward]
Balance, December 25, 2019	$ 23,256
Fees received from franchisees	868
Revenue recognized	(3,318)
Balance, December 30, 2020	20,806	$ 23,256
Less current portion included in other current liabilities	1,997
Deferred franchise revenue included in other noncurrent liabilities	$ 18,809
Revenue recognized included in beginning deferred franchise revenue balance		$ 3,200

Contract With Customer Liability [Roll Forward]

No definition available.

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- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References

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- Definition

Amount of revenue recognized arising from contract liability from change in timeframe for performance obligation to be satisfied.

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent.

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- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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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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