Revenue Recognition (Details) - Schedule of revenues disaggregated by business segment and service offered to customers - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2021	Jan. 31, 2020	Jan. 31, 2021	Jan. 31, 2020
Revenue from External Customer [Line Items]
Revenues, Total	$ 339,766	$ 323,890	$ 683,191	$ 664,089
Total Fintech [Member]
Revenue from External Customer [Line Items]
Revenues, Total	18,497	9,741	38,585	19,298
net2phone-UCaaS [Member]
Revenue from External Customer [Line Items]
Revenues, Total	10,738	7,915	20,366	15,122
Total Traditional Communications [Member]
Revenue from External Customer [Line Items]
Revenues, Total	310,531	306,234	624,240	629,669
BOSS Revolution Money Transfer [Member] | Total Fintech [Member]
Revenue from External Customer [Line Items]
Revenues, Total	13,280	7,660	28,438	14,861
National Retail Solutions [Member] | Total Fintech [Member]
Revenue from External Customer [Line Items]
Revenues, Total	5,217	2,081	10,147	4,437
Mobile Top-Up [Member] | Total Traditional Communications [Member]
Revenue from External Customer [Line Items]
Revenues, Total	96,562	75,836	192,397	152,669
Boss Revolution Calling [Member] | Total Traditional Communications [Member]
Revenue from External Customer [Line Items]
Revenues, Total	113,903	113,861	231,253	231,195
Carrier Services [Member] | Total Traditional Communications [Member]
Revenue from External Customer [Line Items]
Revenues, Total	87,155	101,659	174,928	215,176
Other [Member] | Total Traditional Communications [Member]
Revenue from External Customer [Line Items]
Revenues, Total	$ 12,911	$ 14,878	$ 25,662	$ 30,629