XML 91 R80.htm IDEA: XBRL DOCUMENT
v3.25.3

Schedule of Net Income Attributable to Mezzanine Equity’s Noncontrolling Interest (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Oct. 31, 2025 | Oct. 31, 2024
Common Class B [Member] | National Retail Solutions [Member] |  |
Noncontrolling Interest [Line Items] |  |
Net income of NRS attributable to the mezzanine equity’s noncontrolling interest | $ 184 | $ 138

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_MinorityInterestLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of Net Income (Loss) attributable to redeemable noncontrolling interest. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(19)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 + Details
Name: | us-gaap_NetIncomeLossAttributableToRedeemableNoncontrollingInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=IDT_NationalRetailSolutionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |