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LEASES - Operating Lease Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 10, 2022	Jul. 04, 2021	Jul. 10, 2022	Jul. 04, 2021
Lessor, Lease, Description [Line Items]
Amortization of favorable and unfavorable lease contracts, net	$ 437	$ 0	$ 685	$ 0
Operating lease income - closed restaurants and other	1,663	1,377	4,728	4,602
Franchise contracts
Lessor, Lease, Description [Line Items]
Operating lease income - franchise	53,703	53,762	178,048	180,146
Variable lease income - franchise	26,274	26,836	81,556	82,102
Amortization of favorable and unfavorable lease contracts, net	91	0	119	0
Franchise rental revenues	$ 80,068	$ 80,598	$ 259,723	$ 262,248

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Operating Lease Income, Closed Restaurants and Other

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=124258985&loc=SL77919372-209981

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
-Section 45
-Paragraph 3
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 270
-SubTopic 10
-Section 50
-Paragraph 6A
-URI http://asc.fasb.org/extlink&oid=124502072&loc=SL77927221-108306

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Amount of operating lease income from lease payments paid and payable to lessor. Excludes variable lease payments not included in measurement of lease receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 270
-SubTopic 10
-Section 50
-Paragraph 6A
-URI http://asc.fasb.org/extlink&oid=124502072&loc=SL77927221-108306

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount of operating lease income from variable lease payments paid and payable to lessor, excluding amount included in measurement of lease receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 270
-SubTopic 10
-Section 50
-Paragraph 6A
-URI http://asc.fasb.org/extlink&oid=124502072&loc=SL77927221-108306

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