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. 29, 2025	Mar. 30, 2025	Jun. 30, 2024	Jun. 29, 2025	Jun. 30, 2024	Sep. 29, 2024
Cash Flow Hedging [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Unrealized gains/(losses) on cash flow hedging instruments, before tax	$ (83.8)		$ 38.4	$ (20.8)	$ 110.2
Cash Flow Hedging [Member] | Coffee Contracts [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Net Gains/(Losses) Expected to be Reclassified from AOCI into Earnings within 12 Months	$ (16.3)
Outstanding Contract Remaining Maturity (Months)	9 months			9 months
Unrealized gains/(losses) on cash flow hedging instruments, before tax	$ (21.3)	$ 60.1
Cash Flow Hedging [Member] | Cross-Currency Swap [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Net Gains/(Losses) Expected to be Reclassified from AOCI into Earnings within 12 Months	$ 0.0
Outstanding Contract Remaining Maturity (Months)	0 months			0 months
Unrealized gains/(losses) on cash flow hedging instruments, before tax	$ 0.0	0.5
Cash Flow Hedging [Member] | Dairy Contracts [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Net Gains/(Losses) Expected to be Reclassified from AOCI into Earnings within 12 Months	$ 0.0
Outstanding Contract Remaining Maturity (Months)	0 months			0 months
Unrealized gains/(losses) on cash flow hedging instruments, before tax	$ 0.0	2.0
Cash Flow Hedging [Member] | Foreign Currency Contract - Other [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Net Gains/(Losses) Expected to be Reclassified from AOCI into Earnings within 12 Months	$ 5.8
Outstanding Contract Remaining Maturity (Months)	34 months			34 months
Unrealized gains/(losses) on cash flow hedging instruments, before tax	$ 3.5	11.5
Cash Flow Hedging [Member] | Interest Rate Contract [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Net Gains/(Losses) Expected to be Reclassified from AOCI into Earnings within 12 Months	$ (3.5)
Outstanding Contract Remaining Maturity (Months)	0 months			0 months
Unrealized gains/(losses) on cash flow hedging instruments, before tax	$ (2.2)	$ (3.6)
Net Investment Hedging [Member] | Cross-Currency Swap [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Net Gains/(Losses) Included in AOCI	141.7			$ 141.7		$ 96.5
Net Investment Hedge Gain (Loss) to be Reclassified within Twelve Months	$ 0.0
Outstanding Contract Remaining Maturity (Months)	105 months			105 months
Net Investment Hedging [Member] | Foreign Currency Contract - Other [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Net Gains/(Losses) Included in AOCI	$ 16.0			$ 16.0		16.0
Net Investment Hedge Gain (Loss) to be Reclassified within Twelve Months	$ 0.0
Outstanding Contract Remaining Maturity (Months)	0 months			0 months
Net Investment Hedging [Member] | ForeignExchangeYenDebt [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Net Gains/(Losses) Included in AOCI	$ 135.2			$ 135.2		$ 135.2
Net Investment Hedge Gain (Loss) to be Reclassified within Twelve Months	$ 0.0
Outstanding Contract Remaining Maturity (Months)	0 months			0 months