Debt (Maturities of Long-term Debt) (Details) - USD ($) $ in Millions	Sep. 30, 2023	Sep. 30, 2022
Principal maturities of long-term debt
2024	$ 615.3
2025	419.5
2026	701.4
2027	1,362.8
2028	632.2
Thereafter	6,561.3
Total	$ 10,292.5	$ 7,309.3

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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