Schedule of Revenues Disaggregated by Business Segment and Service Offered to Customers (Details) - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2022	Oct. 31, 2021
Disaggregation of Revenue [Line Items]
Total	$ 321,816	$ 370,083
Fintech [Member]
Disaggregation of Revenue [Line Items]
Total	19,887	14,230
National Retail Solutions [Member]
Disaggregation of Revenue [Line Items]
Total	19,313	10,072
Net2 phone [Member]
Disaggregation of Revenue [Line Items]
Total	16,950	12,913
Traditional Communications [Member]
Disaggregation of Revenue [Line Items]
Total	265,666	332,868
BOSS Revolution Money Transfer [Member] | Fintech [Member]
Disaggregation of Revenue [Line Items]
Total	17,554	12,094
Other [Member] | Fintech [Member]
Disaggregation of Revenue [Line Items]
Total	2,333	2,136
Other [Member] | Traditional Communications [Member]
Disaggregation of Revenue [Line Items]
Total	8,754	9,219
Mobile TopUp [Member] | Traditional Communications [Member]
Disaggregation of Revenue [Line Items]
Total	109,048	128,485
BOSS Revolution Calling [Member] | Traditional Communications [Member]
Disaggregation of Revenue [Line Items]
Total	86,253	105,969
IDT Global [Member] | Traditional Communications [Member]
Disaggregation of Revenue [Line Items]
Total	$ 61,611	$ 89,195