Leases (Lease Receivables) (Details) - USD ($) $ in Millions	Sep. 30, 2024	Sep. 30, 2023
Leases [Abstract]
Current lease receivables	$ 74.5	$ 78.0
Noncurrent lease receivables	392.1	494.7
Total lease receivables, net	$ 466.6	$ 572.7

No definition available.

Name:	us-gaap_LeasesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount excluding accrued interest, after allowance for credit loss, of net investment in sales-type and direct financing leases.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

+ Details

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

- Definition

Amount excluding accrued interest, after allowance for credit loss, of net investment in sales-type and direct financing leases, classified as current.

+ References

+ Details

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

- Definition

Amount excluding accrued interest, after allowance for credit loss, of net investment in sales-type and direct financing leases, classified as noncurrent.

+ References

+ Details

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