Pay vs Performance Disclosure - USD ($) $ in Millions	12 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2023
Pay vs Performance Disclosure
Net Income (Loss)	$ 271.7	$ 250.9	$ 217.5

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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+ Details