Schedule of Operating Results of Business Segments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 30, 2021	Apr. 30, 2020	Apr. 30, 2021	Apr. 30, 2020
Segment Reporting Information [Line Items]
Revenues	$ 373,831	$ 321,336	$ 1,057,022	$ 985,425
Income (loss) from operations	13,872	3,792	40,045	3,722
Fintech [Member]
Segment Reporting Information [Line Items]
Revenues	16,644	14,684	55,229	33,982
Income (loss) from operations	(1,403)	142	1,487	(5,705)
Net2phone-UCaaS [Member]
Segment Reporting Information [Line Items]
Revenues	11,255	8,103	31,621	23,225
Income (loss) from operations	(3,684)	(3,643)	(10,744)	(11,137)
Traditional Communications [Member]
Segment Reporting Information [Line Items]
Revenues	345,932	298,549	970,172	928,218
Income (loss) from operations	20,074	9,503	54,575	27,771
Corporate Segment [Member]
Segment Reporting Information [Line Items]
Revenues
Income (loss) from operations	$ (1,115)	$ (2,210)	$ (5,273)	$ (7,207)