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Significant Accounting Policies - Noncontrolling Interest and Joint Ventures (Details) $ in Thousands | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jul. 01, 2018 USD ($) restaurant | Apr. 01, 2018 entity | Jun. 25, 2017 USD ($) restaurant | Jul. 01, 2018 USD ($) restaurant | Jun. 25, 2017 USD ($) restaurant | Jul. 02, 2018 restaurant | Jan. 01, 2018 entity
Income Amounts Attributable to Noncontrolling Interest, Disclosures |  |  |  |  |  |  |
Total income before income taxes | $ 19,705 |  | $ 35,458 | $ 42,067 | $ 77,329 |  |
Joint ventures |  |  |  |  |  |  |
Noncontrolling Interests |  |  |  |  |  |  |
Number of Joint Ventures Having Noncontrolling Interests | entity |  |  |  |  |  |  | 5
Number of joint ventures divested | entity |  | 1 |  |  |  |  |
Number of Restaurants | restaurant | 215 |  | 223 | 215 | 223 |  |
Income Amounts Attributable to Noncontrolling Interest, Disclosures |  |  |  |  |  |  |
Papa John's International, Inc. | $ 1,577 |  | $ 2,341 | $ 2,872 | $ 4,703 |  |
Noncontrolling interests | 874 |  | 1,444 | 1,517 | 2,915 |  |
Total income before income taxes | $ 2,451 |  | $ 3,785 | $ 4,389 | $ 7,618 |  |
Joint ventures | Subsequent event |  |  |  |  |  |  |
Noncontrolling Interests |  |  |  |  |  |  |
Number of Restaurants | restaurant |  |  |  |  |  | 184 |

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- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 20 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=68072869&loc=d3e41242-110953 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(10)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(15)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(8)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 + Details
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