Acquisition (Detail Textuals) (Six3 Systems Holdings II Inc, USD $) In Millions, unless otherwise specified	0 Months Ended
Nov. 15, 2013
Term Loan
Business Acquisition [Line Items]
Increase in credit facility	$ 700
Revolving Credit Facility
Business Acquisition [Line Items]
Increase in credit facility	$ 100

This element represents increase in borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

No definition available.

Name:	caci_LineOfCreditFacilityIncreaseInBorrowingCapacity
Namespace Prefix:	caci_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration