Income Taxes - Narrative (Details) $ in Millions	3 Months Ended
Dec. 31, 2023 USD ($)
Income Tax Disclosure [Abstract]
Income tax benefit	$ 26.5
Deferred income taxes and tax credits	$ 24.4

Amount of deferred income tax expense (benefit) and income tax credits.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

Name:	us-gaap_DeferredIncomeTaxesAndTaxCredits
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration