Segment Reporting (Reconciliation Of Total Segment Operating Income To Consolidated Earnings Before Income Taxes) (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 29, 2024	Dec. 31, 2023
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total net revenues	$ 9,397.8	$ 9,425.3
Depreciation and amortization expenses	407.6	365.3
Income (Loss) from Equity Method Investments	46.5	55.9
Operating income/(loss)	1,121.7	1,485.4
North America [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total net revenues	7,071.9	7,120.7
Depreciation and amortization expenses	289.0	250.4
Income (Loss) from Equity Method Investments	0.0	0.0
Operating income/(loss)	1,181.3	1,520.8
International [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total net revenues	1,871.3	1,846.3
Depreciation and amortization expenses	89.1	84.1
Income (Loss) from Equity Method Investments	(0.4)	0.2
Operating income/(loss)	237.1	241.5
Channel Development [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total net revenues	436.3	448.0
Depreciation and amortization expenses	0.0	0.0
Income (Loss) from Equity Method Investments	46.9	55.7
Operating income/(loss)	208.0	209.7
Corporate and Other [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total net revenues	18.3	10.3
Depreciation and amortization expenses	29.5	30.8
Income (Loss) from Equity Method Investments	0.0	0.0
Operating income/(loss)	$ (504.7)	$ (486.6)