v3.25.2
Leasing Arrangements - Components of Lease Cost Recognized (Parenthetical) (Details) - USD ($)
$ in Millions
3 Months Ended
9 Months Ended
Jun. 30, 2024
Jun. 30, 2024
Leases [Abstract]
Lease termination fee
$ 0
$ 1
X
- Definition
Lease Termination Fee.
+ References
No definition available.
+ Details
Name:
ash_LeaseTerminationFee
Namespace Prefix:
ash_
Data Type:
xbrli:monetaryItemType
Balance Type:
debit
Period Type:
duration
X
- References
No definition available.
+ Details
Name:
us-gaap_LeasesAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration