Business Segment Information (Tables)

9 Months Ended

Mar. 31, 2012

Business Segment Information [Abstract]

Summarized Financial Information Of Reportable Segments

		Domestic		International		Total
Three Months Ended March 31, 2012
Revenue from external customers	$	897,403	$	30,559	$	927,962
Net income attributable to CACI		38,901		1,955		40,856
Three Months Ended March 31, 2011
Revenue from external customers	$	881,075	$	32,294	$	913,369
Net income attributable to CACI		33,585		2,842		36,427
Nine Months Ended March 31, 2012
Revenue from external customers	$	2,742,359	$	83,241	$	2,825,600
Net income attributable to CACI		118,730		5,327		124,057
Nine Months Ended March 31, 2011
Revenue from external customers	$	2,525,505	$	89,113	$	2,614,618
Net income attributable to CACI		92,133		6,184		98,317