Financial Instruments and Risk Management (Schedule of Fair Values of Derivative Instruments) (Details) - FX contract - USD ($) $ in Millions	Dec. 31, 2024	Sep. 30, 2024
Not designated as hedge
Derivatives, Fair Value [Line Items]
Estimated fair value of derivatives	$ 0.0	$ 0.1
Cash flow hedge \| Designated as hedge
Derivatives, Fair Value [Line Items]
Estimated fair value of derivatives	$ 4.8	$ (2.4)

Fair value of the assets less the liabilities of a derivative or group of derivatives.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-10

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant