Business Segment Information (Tables)

9 Months Ended

Apr. 30, 2017

Business Segment Information [Abstract]

Summary of operating results of business segments

(in thousands)	Telecom Platform Services			UCaaS			Consumer Phone Services		All Other			Corporate			Total
Three Months Ended April 30, 2017
Revenues	$	360,752		$	7,408		$	1,308	$	567		$	—		$	370,035
Income (loss) from operations		5,785			(456	)		237		(16	)		(12,052	)		(6,502	)
Other operating expense (see Note 13)		(63	)		—			—		—			(10,100	)		(10,163	)
Three Months Ended April 30, 2016
Revenues	$	344,204		$	6,195		$	1,682	$	3,073		$	—		$	355,154
Income (loss) from operations		6,850			(531	)		351		1,804			(2,798	)		5,676
Gain on sale of interest in Fabrix Systems Ltd.		—			—			—		1,086			—			1,086
Nine Months Ended April 30, 2017
Revenues	$	1,079,302		$	21,686		$	4,193	$	1,561		$	—		$	1,106,742
Income (loss) from operations		18,979			(1,094	)		776		155			(17,004	)		1,812
Other operating expense (see Note 13)		(63	)		—			—		—			(11,188	)		(11,251	)
Nine Months Ended April 30, 2016
Revenues	$	1,093,421		$	19,358		$	5,277	$	10,130		$	—		$	1,128,186
Income (loss) from operations		23,756			(1,409	)		979		4,079			(7,427	)		19,978
Gain on sale of interest in Fabrix Systems Ltd.		—			—			—		1,086			—			1,086
Other operating expense		(326	)		—			—		—			—			(326	)