Deferred Revenue schedule of changes (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Mar. 29, 2026	Mar. 30, 2025	Mar. 29, 2026	Mar. 30, 2025	Sep. 28, 2025
Deferred Revenue Arrangement [Line Items]
Stored value card liability and current portion of deferred revenue	$ 1,828.7		$ 1,828.7		$ 1,840.6
Revenue Recognition Period Stored Value Cards and Loyalty Program Breakage [Member]
Deferred Revenue Arrangement [Line Items]
Deferred Revenue	2,073.3	$ 2,213.1	1,751.7	$ 1,718.7
Deferred Revenue, Additions	3,577.0	3,496.8	7,931.7	7,911.2
Deferred Revenue, Revenue Recognized, Including Opening Balance Sheet Amounts	(3,900.8)	(3,862.9)	7,724.4	7,755.8
Deferred Revenue, Other	(4.4)	6.2	(5.7)	(20.9)
Deferred Revenue	1,753.6	1,853.2	1,753.6	1,853.2
Stored Value Cards and Loyalty Program Breakage in Prior Year
Deferred Revenue Arrangement [Line Items]
Stored value card liability and current portion of deferred revenue	1,600.0	$ 1,700.0	1,600.0	$ 1,700.0
Disposal Group, Held-for-Sale, Not Discontinued Operations
Deferred Revenue Arrangement [Line Items]
Disposal Group, Including Discontinued Operation, Deferred Revenue	$ (8.5)		$ 199.7

Amount of increase (decrease) in deferred revenue for other items.

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Deferred Revenue, Revenue Recognized, Including Opening Balance Sheet Amounts

+ References

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- Definition

Disposal Group, Including Discontinued Operation, Deferred Revenue (Duration)

+ References

No definition available.

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- Definition

Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(26)(c))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

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- Definition

Amount of deferred revenue recognized for transactions arising during the current reporting period. Deferred revenue is a liability as of the balance sheet date related to a revenue producing activity for which revenue has not yet been recognized. Generally, an Entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

+ References

No definition available.

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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.

+ References

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- Definition

Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as current.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(20))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

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