Leases (Maturity Analysis of Lease Liabilities and Minimum Payments Due) (Details) - USD ($) $ in Millions	Sep. 30, 2020	Sep. 30, 2019
Maturity Analysis of Operating Lease Liabilities
2021	$ 78.5
2022	55.7
2023	46.5
2024	37.5
2025	30.5
Thereafter	226.0
Total Undiscounted Lease Payments	474.7
Imputed interest	(68.2)
Present Value of Lease Liability Recognized on the Balance Sheet	$ 406.5
Minimum Payments Due on Operating Leases Prior to Adoption of New Lease Guidance
2020		$ 75.1
2021		62.6
2022		44.4
2023		35.9
2024		28.6
Thereafter		171.4
Total Undiscounted Lease Payments		$ 418.0

Amount of lessee's undiscounted obligation for lease payment for operating lease.

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due after fifth rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.

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Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.

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Present value of lessee's discounted obligation for lease payments from operating lease.

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Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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