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Taxes on Income - Narrative - Valuation Allowance (Details) - USD ($) $ in Millions	Sep. 30, 2025	Sep. 30, 2024
Valuation Allowance [Line Items]
Valuation allowance	$ 297.1	$ 290.5
Capital loss [Member]
Valuation Allowance [Line Items]
Valuation allowance	45.0
Domestic, State and Foreign Jurisdiction [Member] | Operating loss carryforward [Member]
Valuation Allowance [Line Items]
Valuation allowance	172.3
Foreign Tax Jurisdiction [Member] | Tax credit carryforward [Member]
Valuation Allowance [Line Items]
Valuation allowance	52.3
Domestic Tax Jurisdiction [Member] | Other tax carryforward [Member]
Valuation Allowance [Line Items]
Valuation allowance	$ 27.5

X

- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-2

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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