Derivatives and Hedging Activities (Details 6) - Fair Value Hedging [Member] - USD ($) $ in Millions	Jun. 30, 2019	Sep. 30, 2018
Offsetting of Derivative Assets
Gross Amounts of Recognized Assets	$ 0.5	$ 0.8
Gross Amounts Offset in the Statement of Financial Position
Net Amounts of Assets presented in the Statement of Financial Position	0.5	0.8
Gross Amounts Not Offset in the Statement of Financial Position
Financial Instruments
Cash Collateral Received
Net Amount
Offsetting of Derivative Liabilities
Gross Amounts of Recognized Liabilities	4.6	7.8
Gross Amounts Offset in the Statement of Financial Position
Net Amounts of Liabilities presented in the Statement of Financial Position	4.6	7.8
Gross Amounts Not Offset in the Statement of Financial Position
Financial Instruments
Cash Collateral Received
Net Amount

The amount of derivate fair value of gross derivative assets amounts off set in statement of financial position.

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The amount of derivate fair value of gross derivative liability amounts off set in statement of financial position.

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Sum as of the balance sheet date of the (a) fair values of all liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, and (b) the carrying amounts of the liabilities arising from financial instruments or contracts used to mitigate a specified risk (hedge), and which are expected to be extinguished or otherwise disposed of within a year or the normal operating cycle, if longer, net of the effects of master netting arrangements.

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and elected not to be offset.

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Fair value of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, not subject to a master netting arrangement.

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Fair value, after offset of derivative liability, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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Carrying amount as of the balance sheet date of the asset arising from derivative instruments and hedging activities, which are expected to be converted into cash or otherwise disposed of within a year or the normal operating cycle, if longer.

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Amount of right to receive cash collateral under master netting arrangements offset against derivative liabilities.

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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and elected not to be offset.

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Fair value of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, not subject to a master netting arrangement.

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