Business Segment Information (Tables)

6 Months Ended

Jan. 31, 2016

Business Segment Information [Abstract]

Summary of operating results of business segments

(in thousands)	Telecom Platform Services		Consumer Phone Services		All Other			Corporate			Total
Three Months Ended January 31, 2016
Revenues	$	376,692	$	1,766	$	3,996		$	—		$	382,454
Income (loss) from operations		6,302		289		1,845			(2,059	)		6,377
Three Months Ended January 31, 2015
Revenues	$	388,970	$	2,243	$	2,960		$	—		$	394,173
Income (loss) from operations		6,870		306		(602	)		(2,839	)		3,735
Gain on sale of interest in Fabrix Systems Ltd.		—		—		484			—			484
Six Months Ended January 31, 2016
Revenues	$	762,380	$	3,595	$	7,057		$	—		$	773,032
Income (loss) from operations		16,027		629		2,275			(4,628	)		14,303
Six Months Ended January 31, 2015
Revenues	$	792,758	$	4,554	$	9,739		$	—		$	807,051
Income (loss) from operations		12,540		662		75,936			(5,794	)		83,344
Gain on sale of interest in Fabrix Systems Ltd.		—		—		75,629			—			75,629