Business Segment Information (Tables)

9 Months Ended

Mar. 31, 2016

Business Segment Information [Abstract]

Schedule of summarized financial information concerning the company's reportable segments

	Domestic		International		Total
Three Months Ended March 31, 2016
Revenue from external customers	$	940,714	$	36,560	$	977,274
Net income attributable to CACI		30,624		3,404		34,028
Three Months Ended March 31, 2015
Revenue from external customers	$	781,618	$	36,179	$	817,797
Net income attributable to CACI		26,237		2,802		29,039
Nine Months Ended March 31, 2016
Revenue from external customers	$	2,519,934	$	110,219	$	2,630,153
Net income attributable to CACI		88,390		9,778		98,168
Nine Months Ended March 31, 2015
Revenue from external customers	$	2,340,501	$	107,445	$	2,447,946
Net income attributable to CACI		76,454		8,357		84,811

Schedule of segment assets

	March 31,		June 30,
	2016		2015 (1)
Domestic	$	3,782,024	$	3,055,782
International		197,394		186,248
Total	$	3,979,418	$	3,242,030

(1) Balances have been adjusted for the reclassification of debt issuance costs and deferred taxes related to the adoption of ASU 2015-03 and ASU 2015-17.  See Note 2 for additional information.