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Derivative Financial Instruments (Pretax Gains and Losses on Derivative Contracts Designated as Hedging Instruments Recognized in OCI and Reclassifications from AOCI to Earnings) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jul. 01, 2018 | Jun. 30, 2019 | Jul. 01, 2018
Cash Flow Hedging [Member] |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gains/(Losses) Recognized in OCI Before Reclassifications | $ (3.2) | $ 46.0 | $ (24.7) | $ 0.6
Net Investment Hedging [Member] |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gains/(Losses) Recognized in OCI Before Reclassifications | (21.1) | 32.4 | (40.1) | (11.8)
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Interest Rate Contract [Member] |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gains/(Losses) Recognized in OCI Before Reclassifications | 5.3 | 4.7 | (25.3) | 1.5
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Cross-Currency Swap [Member] |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gains/(Losses) Recognized in OCI Before Reclassifications | (5.8) | 19.7 | (8.4) | (16.4)
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Foreign Currency Contract - Other [Member] |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gains/(Losses) Recognized in OCI Before Reclassifications | (2.7) | 21.7 | 9.0 | 15.6
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Coffee Contracts [Member] |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gains/(Losses) Recognized in OCI Before Reclassifications | 0.0 | (0.1) | 0.0 | (0.1)
Designated as Hedging Instrument [Member] | Net Investment Hedging [Member] | Foreign Currency Contract - Other [Member] |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gains/(Losses) Recognized in OCI Before Reclassifications |  |  | 0.0 | (0.1)
Gains/(Losses) Reclassified from AOCI to Earnings |  |  | 0.0 | 0.0
Designated as Hedging Instrument [Member] | Net Investment Hedging [Member] | ForeignExchangeYenDebt [Member] |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gains/(Losses) Recognized in OCI Before Reclassifications | (21.1) | 32.4 | (40.1) | (11.7)
Gains/(Losses) Reclassified from AOCI to Earnings | 0.0 | 0.0 | 0.0 | 0.0
Interest Expense [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Interest Rate Contract [Member] |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gains/(Losses) Reclassified from AOCI to Earnings | 1.1 | 1.2 | 3.9 | 3.6
Interest Expense [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Cross-Currency Swap [Member] |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gains/(Losses) Reclassified from AOCI to Earnings | 0.1 | 0.1 | (0.5) | 0.5
Interest and Other Income [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Cross-Currency Swap [Member] |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gains/(Losses) Reclassified from AOCI to Earnings | (9.9) | 18.4 | (19.7) | (8.6)
Franchised Units Revenue [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Foreign Currency Contract - Other [Member] |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gains/(Losses) Reclassified from AOCI to Earnings | 2.2 | 0.5 | 4.9 | (1.2)
Cost of Goods and Services Sold [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Foreign Currency Contract - Other [Member] |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gains/(Losses) Reclassified from AOCI to Earnings | 1.4 | (1.3) | 3.6 | (4.5)
Cost of Goods and Services Sold [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Coffee Contracts [Member] |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gains/(Losses) Reclassified from AOCI to Earnings | $ 0.0 | $ (0.5) | $ (0.3) | $ (7.3)

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