Debt - Schedule of Maturities of Debt (Details) - USD ($) $ in Millions	Sep. 30, 2025	Sep. 30, 2024
Debt Disclosure [Abstract]
2026	$ 66.3
2027	31.2
2028	22.1
2029	761.3
2030	6.8
Thereafter	1,856.0
Total	$ 2,743.7	$ 2,539.8

Amount of short-term and long-term debt and lease obligation.

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