The total contingent liability assumed in the sale of a business.

No definition available.

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Namespace Prefix:	pzza_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The number of leases for which the Company is contingently liable.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of units leased as lessor.

+ References

No definition available.

+ Details

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Namespace Prefix:	pzza_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the number of stores held for sale.

+ References

No definition available.

+ Details

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Namespace Prefix:	pzza_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Percent, after disposal, of ownership interest of a discontinued operation in which an equity method investment is retained.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 4B
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-URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721665-107760

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Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Term of lessor's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 3
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of sublease income excluding finance and operating lease expense.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (e)
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-Section 55
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

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- Details

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- Details

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Leases - Future Minimum Lease Payments, Lessor Operating Leases, and Lease Guarantees (Details) $ in Millions		3 Months Ended
	Mar. 28, 2022 USD ($) restaurant lease	Mar. 27, 2022 USD ($) item restaurant lease	Mar. 28, 2021 USD ($)
Leases
sublease income		$ 3.0	$ 2.8
Number of stores available to be refranchised \| item		90
Number of domestic leases for which the Company is contingently liable \| lease		65
Estimated maximum amount of undiscounted payments in the event of nonpayment by primary lessees		$ 10.8
Held for sale \| Joint ventures \| Subsequent events
Leases
Number of stores available to be refranchised \| restaurant	90
Ownership percentage	51.00%
Number of domestic leases for which the Company is contingently liable \| lease	12
Estimated maximum amount of undiscounted payments in the event of nonpayment by primary lessees	$ 1.6
United Kingdom franchise-owned restaurants
Leases
Number of units leased and subleased \| restaurant		430
Initial lease terms on franchised sites		15 years