Goodwill (Tables)

12 Months Ended

Jun. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Carrying Amount of Goodwill

The following table sets forth the changes in the carrying amount of goodwill by reporting unit for the year ended June 30, 2019:

	SMP		AMS		MDS		Total
Balance at June 30, 2018	$	119,560	$	218,147	$	159,735	$	497,442
Goodwill adjustment for the Themis acquisition					139		139
Goodwill arising from the Germane acquisition					23,111		23,111
Goodwill arising from the GECO acquisition	21,223						21,223
Goodwill arising from the Syntonic acquisition			4,232				4,232
Goodwill arising from the Athena acquisition					15,999		15,999
Balance at June 30, 2019	$	140,783	$	222,379	$	198,984	$	562,146