v3.22.2.2
Cover
Sep. 19, 2022
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Sep. 19, 2022
Current Fiscal Year End Date --07-31
Entity File Number 1-16371
Entity Registrant Name IDT CORPORATION
Entity Central Index Key 0001005731
Entity Tax Identification Number 22-3415036
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 520 Broad Street
Entity Address, City or Town Newark
Entity Address, State or Province NJ
Entity Address, Postal Zip Code 07102
City Area Code (973)
Local Phone Number 438-1000
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Class B common stock, par value $0.01 per share
Trading Symbol IDT
Security Exchange Name NYSE
Entity Emerging Growth Company false