Significant Accounting Policies - Fiscal Year, Revenue Recognition and Advertising Costs (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017
Percentage of domestic restaurants franchised	80.00%
Length of fiscal year	364 days	364 days	371 days
Term of franchise agreement	10 years
Advertising and related costs	$ 54.3	$ 60.8	$ 72.3
PJMF
Contributions for additional advertising	$ 27.5	$ 10.0
Papa Dough Rewards
Expiration window of rewards program	6 months
Minimum
Amortization term of equipment incentives	3 years
Maximum
Amortization term of equipment incentives	5 years

The amortization term of equipment incentives.

No definition available.

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- Definition

The expiration term of customer incentive programs.

+ References

No definition available.

+ Details

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- Definition

Represents the percentage of business units that are owned and/or operated in a franchise agreement by franchisees.

+ References

No definition available.

+ Details

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- Definition

The term of franchise agreements.

+ References

No definition available.

+ Details

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- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 720
-SubTopic 35
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848

+ Details

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- Definition

Duration of a fiscal period, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but not limited to, weeks in a year or quarter.

+ References

No definition available.

+ Details

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- Definition

Expenditures for planning and executing the conception, pricing, promotion, and distribution of ideas, goods, and services. Costs of public relations and corporate promotions are typically considered to be marketing costs.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.4)
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

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