Business Segment Information (Tables)

9 Months Ended

Apr. 30, 2015

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 April 30, 2015
Revenues	$	379,139	$	2,098	$	2,693		$	—		$	383,930
Income (loss) from operations		5,602		324		1,584			(5,040	)		2,470
Gain on sale of interest in Fabrix Systems Ltd.		—		—		1,235			—			1,235
Other operating loss		—		—		—			(1,552	)		(1,552	)
Three Months Ended April 30, 2014
Revenues	$	394,568	$	2,625	$	6,568		$	—		$	403,761
Income (loss) from operations		12,378		517		(443	)		(3,282	)		9,170
Nine Months Ended April 30, 2015
Revenues	$	1,171,897	$	6,652	$	12,432		$	—		$	1,190,981
Income (loss) from operations		18,142		985		77,520			(10,834	)		85,813
Gain on sale of interest in Fabrix Systems Ltd.		—		—		76,864			—			76,864
Other operating loss		—		—		—			(1,552	)		(1,552	)
Nine Months Ended April 30, 2014
Revenues	$	1,205,490	$	8,491	$	16,874		$	—		$	1,230,855
Income (loss) from operations		36,676		1,358		(2,242	)		(11,765	)		24,027
Other operating gains (loss), net		650		—		638			(79	)		1,209