Property, Plant and Equipment - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Property, Plant, and Equipment [Abstract]
Depreciation, depletion, accretion and amortization	$ 41.9	$ 38.2	$ 129.1	$ 104.7

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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+ Details