Name:	pzza_DividendsRecorded
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

Name:	us-gaap_CommonStockSharesAuthorized
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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

Name:	us-gaap_CommonStockSharesOutstanding
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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 505
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The per share amount of a dividend declared, but not paid, as of the financial reporting date.

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-Topic 230
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Period Type:	instant

Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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Data Type:	xbrli:sharesItemType
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Period Type:	instant

Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

Name:	us-gaap_PreferredStockSharesIssued
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Data Type:	xbrli:sharesItemType
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Period Type:	instant

Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

Name:	us-gaap_PreferredStockSharesOutstanding
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Data Type:	xbrli:sharesItemType
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Period Type:	instant

Amount of stock repurchase plan authorized.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount remaining of a stock repurchase plan authorized.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Period Type:	duration

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Period Type:	duration

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

No definition available.

Name:	us-gaap_SubsequentEventLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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Period Type:	duration

Total cost of shares repurchased divided by the total number of shares repurchased.

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