Business Segment Information (Details) - Schedule of operating results of business segments - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2021	Jan. 31, 2020	Jan. 31, 2021	Jan. 31, 2020
Segment Reporting Information [Line Items]
Revenues	$ 339,766	$ 323,890	$ 683,191	$ 664,089
Income (loss) from operations	12,923	1,323	26,174	(70)
Fintech [Member]
Segment Reporting Information [Line Items]
Revenues	18,497	9,741	38,585	19,298
Income (loss) from operations	(247)	(3,177)	2,889	(5,847)
net2phone-UCaaS [Member]
Segment Reporting Information [Line Items]
Revenues	10,738	7,915	20,366	15,122
Income (loss) from operations	(3,248)	(3,787)	(7,059)	(7,495)
Traditional Communications [Member]
Segment Reporting Information [Line Items]
Revenues	310,531	306,234	624,240	629,669
Income (loss) from operations	18,712	10,782	34,502	18,268
Corporate [Member]
Segment Reporting Information [Line Items]
Revenues
Income (loss) from operations	$ (2,294)	$ (2,495)	$ (4,158)	$ (4,996)