v3.26.3
Inventories - Narrative (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Jun. 30, 2026
Inventory, Net [Abstract]
Inventory accounted for using a method other than LIFO
$ 165.7
$ 162.6
X
- Definition
Other Than LIFO Inventory Amount
+ References
No definition available.
+ Details
Name:
crs_OtherThanLIFOInventoryAmount
Namespace Prefix:
crs_
Data Type:
xbrli:monetaryItemType
Balance Type:
debit
Period Type:
instant
X
- References
No definition available.
+ Details
Name:
us-gaap_InventoryNetAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration