Derivatives and Hedging Activities (Details 2) $ in Millions	12 Months Ended
	Sep. 30, 2018 USD ($)
Designated as Hedging Instrument [Member] | Fair Value of Hedging Instruments [Member] | Asset Derivatives Fair Value [Member]
Interest Rate and Foreign Exchange Products	$ 0.8
Total derivatives	$ 0.8
Balance Sheet Classification	Fair Value of Hedging Instruments
Designated as Hedging Instrument [Member] | Derivative Liability [Member] | Liability Derivatives Fair Value [Member]
Interest Rate and Foreign Exchange Products	$ (3.4)
Total derivatives	$ (3.4)
Balance Sheet Classification	Derivative Liability
Not Designated as Hedging Instrument [Member] | Fair Value of Hedging Instruments [Member] | Asset Derivatives Fair Value [Member]
Interest Rate and Foreign Exchange Products
Total derivatives
Balance Sheet Classification	Fair Value of Hedging Instruments
Not Designated as Hedging Instrument [Member] | Derivative Liability [Member] | Liability Derivatives Fair Value [Member]
Interest Rate and Foreign Exchange Products	$ (4.4)
Total derivatives	$ (4.4)
Balance Sheet Classification	Derivative Liability