Business Segment Information (Details) - Schedule of operating results of business segments - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2020	Oct. 31, 2019
Segment Reporting Information [Line Items]
Revenues	$ 343,425	$ 340,200
Income (loss) from operations	13,253	(1,392)
Fintech [Member]
Segment Reporting Information [Line Items]
Revenues	20,087	9,557
Income (loss) from operations	3,136	(2,670)
net2phone- UCaaS [Member]
Segment Reporting Information [Line Items]
Revenues	9,628	7,207
Income (loss) from operations	(3,806)	(3,708)
Traditional Communications [Member]
Segment Reporting Information [Line Items]
Revenues	313,710	323,436
Income (loss) from operations	15,787	7,487
Corporate Segment [Member]
Segment Reporting Information [Line Items]
Revenues
Income (loss) from operations	$ (1,864)	$ (2,501)