Other Matters - Sale of Certain Investments in Unconsolidated Entities and Related Assets (Details) - USD ($) $ in Millions			12 Months Ended
Apr. 30, 2025	Apr. 14, 2025	Mar. 31, 2025	Sep. 30, 2025	May 16, 2025
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract]
Total consideration	$ 156.3	$ 40.3		$ 6.7	$ 2.1
Loss on write-down to fair value less cost to sell			$ 8.0
Loss on disposal or impairment of assets, net	$ 55.7	$ 1.0

Amount, before tax, of (gain) loss recognized for the (reversal of write-down) write-down to fair value, less cost to sell, of a disposal group. Excludes discontinued operations.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 5
-SubTopic 10
-Topic 360
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482130/360-10-45-5

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482099/360-10-50-3

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 21
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476148/220-40-50-21

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration