Goodwill (Tables)

6 Months Ended

Dec. 31, 2017

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 six months ended December 31, 2017:

	SMP		AMS		MDS		Total
Balance at June 30, 2017	$	116,003	$	217,956	$	46,887	$	380,846
Goodwill adjustment for the CES acquisition	291		—		—		291
Goodwill adjustment for the Delta acquisition	—		201		—		201
Goodwill arising from the RTL acquisition	3,447		—		—		3,447
Balance at December 31, 2017	$	119,741	$	218,157	$	46,887	$	384,785