Sales of Receivables - Narrative (Details) $ in Millions	Dec. 19, 2025 USD ($)
MARPA
MARPA maximum commitment	$ 350.0

Transfer of financial assets accounted for as sales.

No definition available.

Name:	caci_TransferOfFinancialAssetsAccountedForAsSalesAbstract
Namespace Prefix:	caci_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration