Stockholders' Deficit - Stockholder Rights Plan (Details) - Rights - $ / shares	Mar. 06, 2019	Jul. 22, 2018
Ownership trigger threshold	20.00%	15.00%
Series A Junior Participating Preferred Stock
Number of preferred share purchase rights granted for each outstanding share of common stock		1
Number of shares of stock available to purchase per right		0.001
Preferred stock, par value		$ 0.01
Exercise price per right		$ 250.00
John H. Schnatter with his affiliates and family members
Ownership trigger threshold	31.00%	31.00%

Minimum percentage of beneficial ownership interest required to exercise rights.

No definition available.

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Namespace Prefix:	pzza_
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- Definition

Represents the number of preferred share purchase right for each outstanding shares.

+ References

No definition available.

+ Details

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

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

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Period Type:	instant

- Definition

Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Period Type:	instant

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- Details

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- Details

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