Goodwill (Tables)

3 Months Ended

Oct. 31, 2019

Goodwill [Abstract]

Schedule of goodwill by segment

The following table represents goodwill by reportable operating segment, including the changes in the net carrying value of goodwill during the three months ended October 31, 2019:

	Commercial Solutions			Government Solutions	Total
Balance as of July 31, 2019	$	251,296,000		59,193,000	$	310,489,000
Change resulting from Solacom acquisition	(420,000		)	—	(420,000		)
Change resulting from the GD NG-911 acquisition	(198,000		)	—	(198,000		)
Balance as of October 31, 2019	$	250,678,000		59,193,000	$	309,871,000