Goodwill (Tables)

3 Months Ended

Oct. 31, 2020

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, 2020:

	Commercial Solutions		Government Solutions	Total
Balance as of July 31, 2020	$	255,432,000	75,087,000	$	330,519,000
Change related to CGC acquisition	—		(84,000)	(84,000)
Change related to Solacom Technologies Inc. ("Solacom")	1,052,000		—	1,052,000
Balance as of October 31, 2020	$	256,484,000	75,003,000	$	331,487,000