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GOODWILL AND INTANGIBLE ASSETS, NET - Changes in Carrying Amount of Goodwill - (Details) $ in Thousands	4 Months Ended
	Jan. 22, 2023 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 366,821
Goodwill, ending balance	359,511
Jack in the Box
Goodwill [Roll Forward]
Goodwill related to the sale of company-operated restaurants	(72)
Del Taco
Goodwill [Roll Forward]
Goodwill related to the sale of company-operated restaurants	(7,238)
Jack in the Box
Goodwill [Roll Forward]
Goodwill, beginning balance	136,099
Goodwill, ending balance	136,027
Jack in the Box | Jack in the Box
Goodwill [Roll Forward]
Goodwill related to the sale of company-operated restaurants	(72)
Jack in the Box | Del Taco
Goodwill [Roll Forward]
Goodwill related to the sale of company-operated restaurants	0
Del Taco
Goodwill [Roll Forward]
Goodwill, beginning balance	230,722
Goodwill, ending balance	223,484
Del Taco | Jack in the Box
Goodwill [Roll Forward]
Goodwill related to the sale of company-operated restaurants	0
Del Taco | Del Taco
Goodwill [Roll Forward]
Goodwill related to the sale of company-operated restaurants	$ (7,238)

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(10)(1))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
-Section 55
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266

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X

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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X

- Definition

Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267

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- Details

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