Earnings Per Share (Tables)

9 Months Ended

Mar. 31, 2016

Earnings Per Share [Abstract]

Schedule of calculation of basic and diluted earnings per share

	Three Months Ended				Nine Months Ended
	March 31,				March 31,
	2016		2015		2016		2015
Net income attributable to CACI	$	34,028	$	29,039	$	98,168	$	84,811
Weighted-average number of basic shares outstanding    during the period		24,277		24,165		24,243		23,871
Dilutive effect of SSARs/stock options and RSUs after    application of treasury stock method		439		362		432		367
Dilutive effect of the Warrants		—		—		—		75
Weighted-average number of diluted shares outstanding    during the period		24,716		24,527		24,675		24,313
Basic earnings per share	$	1.40	$	1.20	$	4.05	$	3.55
Diluted earnings per share	$	1.38	$	1.18	$	3.98	$	3.49