Financial Instruments and Risk Management (Schedule of Offsetting Assets and Liabilities) (Details) - FX contract - USD ($) $ in Millions		Sep. 30, 2022	Sep. 30, 2021
Derivative [Line Items]
Gross amount of recognized assets	[1]	$ 13.4	$ 3.9
Gross amount of recognized liabilities	[2]	(0.5)	(0.2)
Gross amounts offset in the balance sheet (assets)	[1]	0.0	(0.1)
Gross amounts offset in the balance sheet (liabilities)	[2]	0.4	0.1
Net amount of assets presented in the balance sheet	[1]	13.4	3.8
Net amount of liabilities presented in the balance sheet	[2]	$ (0.1)	$ (0.1)

[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.