Financial Instruments and Risk Management (Schedule of Offsetting Assets and Liabilities) (Details) - FX contract - USD ($) $ in Millions		Sep. 30, 2025	Sep. 30, 2024
Derivative [Line Items]
Gross amount of recognized assets	[1]	$ 0.7	$ 0.1
Gross amount of recognized liabilities	[2]	(2.4)	(2.7)
Gross amounts offset in the balance sheet (assets)	[1]	0.0	0.0
Gross amounts offset in the balance sheet (liabilities)	[2]	0.3	0.3
Net amount of assets presented in the balance sheet	[1]	0.7	0.1
Net amount of liabilities presented in the balance sheet	[2]	$ (2.1)	$ (2.4)

[1] All derivative assets are presented in Other current assets or Other assets.

[2] All derivative liabilities are presented in Other current liabilities or Other liabilities.