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Derivative Financial Instruments (Derivative Gains and Losses Included in AOCI and Expected to be Reclassified into Earnings in 12 Months, Net of Tax) (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Jun. 28, 2026	Dec. 28, 2025	Jun. 29, 2025	Jun. 28, 2026	Jun. 29, 2025	Sep. 28, 2025
Cash Flow Hedges
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Unrealized gains/(losses) on cash flow hedging instruments	$ 3.1		$ (83.8)	$ 17.9	$ (20.8)
Cash Flow Hedges \| Coffee
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Net Gains/(Losses) Expected to be Reclassified from AOCI into Earnings within 12 Months	$ 10.7
Outstanding Contract Remaining Maturity (Months)	6 months			6 months
Unrealized gains/(losses) on cash flow hedging instruments	$ 16.1	$ 23.3
Cash Flow Hedges \| Foreign currency - other
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Net Gains/(Losses) Expected to be Reclassified from AOCI into Earnings within 12 Months	$ 21.1
Outstanding Contract Remaining Maturity (Months)	34 months			34 months
Unrealized gains/(losses) on cash flow hedging instruments	$ 33.0	19.0
Cash Flow Hedges \| Interest rates
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Net Gains/(Losses) Expected to be Reclassified from AOCI into Earnings within 12 Months	$ (3.2)
Outstanding Contract Remaining Maturity (Months)	0 months			0 months
Unrealized gains/(losses) on cash flow hedging instruments	$ 1.9	$ (1.4)
Net Investment Hedges \| Cross-currency swaps
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Net Gains/(Losses) Included in AOCI	$ 309.5			$ 309.5		$ 206.2
Outstanding Contract Remaining Maturity (Months)	93 months			93 months
Net Investment Hedges \| Foreign currency - other
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Net Gains/(Losses) Included in AOCI	$ 17.2			$ 17.2		16.0
Outstanding Contract Remaining Maturity (Months)	0 months			0 months
Net Investment Hedges \| Foreign currency debt
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Net Gains/(Losses) Included in AOCI	$ 135.2			$ 135.2		$ 135.2
Outstanding Contract Remaining Maturity (Months)	0 months			0 months