Number of company-owned stores sold.

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- Definition

Number Of Remaining Company Owned Stores Sold

+ References

No definition available.

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- Definition

Probability of realization of income tax benefit on settlement with tax authority, description

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No definition available.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to disposition of an asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Unrecognized Tax Benefit

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Amount of interest expense accrued for an underpayment of income taxes.

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Amount of interest expense for an underpayment of income taxes.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

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Income Taxes - Additional Information (Detail) (USD $)	12 Months Ended
Income Taxes - Additional Information (Detail) (USD $)	Dec. 28, 2014 Store	Dec. 29, 2013	Dec. 30, 2012 Store	Jan. 01, 2012	Jan. 03, 2016
Schedule Of Income Taxes [Line Items]
Likelihood of benefit being realized upon settlement	Greater than 50 percent
Tax benefit to reflect increased tax basis in certain assets due to issuance of final tax regulations			$ 700,000
Number of remaining company-owned stores sold			6
Deferred tax asset, valuation allowance	300,000		900,000
Unrecognized tax benefits, interest on income taxes expense	100,000	100,000	100,000
Unrecognized tax benefits	2,939,000us-gaap_UnrecognizedTaxBenefits	3,573,000us-gaap_UnrecognizedTaxBenefits	3,472,000us-gaap_UnrecognizedTaxBenefits	3,487,000us-gaap_UnrecognizedTaxBenefits
Unrecognized tax benefits that would impact effective tax rate	1,600,000	2,100,000	2,100,000
Unrecognized tax benefits, interest on income taxes accrued	700,000	600,000	500,000
Number of company-owned stores sold	14dpz_NumberOfCompanyOwnedStoresSold		6dpz_NumberOfCompanyOwnedStoresSold
Scenario, Forecast [Member]
Schedule Of Income Taxes [Line Items]
Unrecognized tax benefits					900,000
Unrecognized tax benefits that would impact effective tax rate					$ 100,000