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Idt Corp – ‘10-K/A’ for 7/31/12 – ‘EX-101.SCH’

On:  Friday, 11/9/12, at 9:19am ET   ·   For:  7/31/12   ·   Accession #:  1193125-12-461999   ·   File #:  1-16371

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  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

11/09/12  Idt Corp                          10-K/A      7/31/12   93:9.7M                                   Donnelley … Solutions/FA

Amendment to Annual Report   —   Form 10-K   —   Sect. 13 / 15(d) – SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K/A      Amendment No.1 to Form 10-K                         HTML     70K 
62: R1          Document and Entity Information                     HTML     60K 
48: R2          Consolidated Balance Sheets                         HTML    205K 
59: R3          Consolidated Balance Sheets (Parenthetical)         HTML     58K 
65: R4          Consolidated Statements of Income                   HTML    176K 
84: R5          Consolidated Statements of Comprehensive Income     HTML     64K 
50: R6          Consolidated Statements of Equity                   HTML    106K 
58: R7          Consolidated Statements of Equity (Parenthetical)   HTML     31K 
42: R8          Consolidated Statements of Cash Flows               HTML    234K 
32: R9          Description of Business and Summary of Significant  HTML    107K 
                Accounting Policies                                              
85: R10         Discontinued Operations                             HTML     72K 
67: R11         Fair Value Measurements                             HTML     49K 
66: R12         Property, Plant and Equipment                       HTML     44K 
72: R13         Goodwill and Other Intangibles                      HTML     63K 
73: R14         Other Operating (Losses) Gains, Net                 HTML     56K 
70: R15         Notes Payable                                       HTML     50K 
74: R16         Other (Expense) Income, Net                         HTML     41K 
60: R17         Income Taxes                                        HTML    112K 
63: R18         Equity                                              HTML     45K 
69: R19         Stock-Based Compensation                            HTML     68K 
93: R20         Accumulated Other Comprehensive Income (Loss)       HTML     43K 
80: R21         Legal Proceedings                                   HTML     55K 
54: R22         Commitments and Contingencies                       HTML     55K 
68: R23         Related Party Transactions                          HTML     49K 
56: R24         Defined Contribution Plans                          HTML     30K 
23: R25         Business Segment Information                        HTML     73K 
81: R26         Selected Quarterly Financial Data (Unaudited)       HTML     81K 
89: R27         Description of Business and Summary of Significant  HTML    190K 
                Accounting Policies (Policies)                                   
37: R28         Description of Business and Summary of Significant  HTML     58K 
                Accounting Policies (Tables)                                     
36: R29         Discontinued Operations (Tables)                    HTML     59K 
40: R30         Fair Value Measurements (Tables)                    HTML     35K 
41: R31         Property, Plant and Equipment (Tables)              HTML     37K 
43: R32         Goodwill and Other Intangibles (Tables)             HTML     60K 
15: R33         Other Operating (Losses) Gains, Net (Tables)        HTML     56K 
78: R34         Notes Payable (Tables)                              HTML     47K 
52: R35         Other (Expense) Income, Net (Tables)                HTML     39K 
55: R36         Income Taxes (Tables)                               HTML    114K 
27: R37         Stock-Based Compensation (Tables)                   HTML     55K 
92: R38         Accumulated Other Comprehensive Income (Loss)       HTML     43K 
                (Tables)                                                         
 8: R39         Commitments and Contingencies (Tables)              HTML     47K 
45: R40         Business Segment Information (Tables)               HTML     61K 
83: R41         Selected Quarterly Financial Data (Unaudited)       HTML     78K 
                (Tables)                                                         
25: R42         Description of Business and Summary of Significant  HTML     80K 
                Accounting Policies - Additional Information                     
                (Detail)                                                         
35: R43         Description of Business and Summary of Significant  HTML     44K 
                Accounting Policies - Summary of Weighted-Average                
                Number of Shares used in Calculation of Basic and                
                Diluted Earnings Per Share (Detail)                              
39: R44         Description of Business and Summary of Significant  HTML     35K 
                Accounting Policies - Summary of Outstanding Stock               
                Options Excluded from Calculation of Diluted                     
                Earnings Per Share (Detail)                                      
49: R45         Description of Business and Summary of Significant  HTML     39K 
                Accounting Policies - Summary of Change in                       
                Allowance for Doubtful Accounts (Detail)                         
14: R46         Discontinued Operations - Additional Information    HTML     53K 
                (Detail)                                                         
31: R47         Discontinued Operations - Summary Financial Data    HTML     45K 
                of Discontinued Operations (Detail)                              
10: R48         Discontinued Operations - Schedule of Assets and    HTML     83K 
                Liabilities of Discontinued Operations (Detail)                  
82: R49         Fair Value Measurements - Additional Information    HTML     35K 
                (Detail)                                                         
24: R50         Fair Value Measurements - Summary of Change in      HTML     46K 
                Company's Assets Measured at Fair Value on                       
                Recurring Basis (Detail)                                         
79: R51         Property, Plant and Equipment - Schedule of         HTML     52K 
                Property, Plant and Equipment (Detail)                           
28: R52         Property, Plant and Equipment - Additional          HTML     58K 
                Information (Detail)                                             
46: R53         Goodwill and Other Intangibles - Schedule of        HTML     39K 
                Change in Carrying Amount of Goodwill by Operating               
                Segment (Detail)                                                 
 9: R54         Goodwill and Other Intangibles - Schedule of Other  HTML     45K 
                Intangible Assets (Detail)                                       
12: R55         Goodwill and Other Intangibles - Additional         HTML     43K 
                Information (Detail)                                             
38: R56         Other Operating (Losses) Gains, Net - Summary of    HTML    124K 
                Other Operating (Losses) Gains, Net by Business                  
                Segment (Detail)                                                 
18: R57         Notes Payable - Schedule of Notes Payable (Detail)  HTML    122K 
86: R58         Notes Payable - Schedule of Notes Payable           HTML     34K 
                (Parenthetical) (Detail)                                         
51: R59         Notes Payable - Schedule of Estimated Future        HTML     50K 
                Principal Payments of Notes Payable (Detail)                     
71: R60         Other (Expense) Income, Net - Schedule of Other     HTML     49K 
                Income Expense Net (Detail)                                      
30: R61         Other (Expense) Income, Net - Additional            HTML     43K 
                Information (Detail)                                             
33: R62         Income Taxes - Schedule of Income (Loss) from       HTML     36K 
                Continuing Operations Before Income Taxes (Detail)               
77: R63         Income Taxes - Schedule of Deferred Income Tax      HTML     63K 
                Assets and Deferred Income Tax Liabilities                       
                (Detail)                                                         
75: R64         Income Taxes - Schedule of Benefit from Income      HTML     74K 
                Taxes (Detail)                                                   
53: R65         Income Taxes - Additional Information (Detail)      HTML     63K 
76: R66         Income Taxes - Schedule of Statutory Income Tax     HTML     56K 
                Rate and Income Taxes Provided (Detail)                          
29: R67         Income Taxes - Schedule of Change in Valuation      HTML     38K 
                Allowance (Detail)                                               
57: R68         Income Taxes - Summary of Change in Balance of      HTML     48K 
                Unrecognized Income Tax Benefits (Detail)                        
88: R69         Equity - Additional Information (Detail)            HTML    108K 
11: R70         Stock-Based Compensation - Additional Information   HTML    101K 
                (Detail)                                                         
22: R71         Stock-Based Compensation - Schedule of Risk Free    HTML     42K 
                Rate Based on U.S. Treasury Yield Curve Effect at                
                Time of Grant (Detail)                                           
47: R72         Stock-Based Compensation - Summary of Stock Option  HTML     70K 
                Activity (Detail)                                                
17: R73         Stock-Based Compensation - Grants of Restricted     HTML     57K 
                Shares of Class B Common Stock (Detail)                          
91: R74         Accumulated Other Comprehensive Income (Loss) -     HTML     46K 
                Schedule of Accumulated Balances for Each                        
                Classification of Other Comprehensive Income                     
                (Detail)                                                         
26: R75         Legal Proceedings - Additional Information          HTML     81K 
                (Detail)                                                         
19: R76         Commitments and Contingencies - Additional          HTML     58K 
                Information (Detail)                                             
21: R77         Commitments and Contingencies - Future Minimum      HTML     56K 
                Payments for Operating Leases (Detail)                           
13: R78         Commitments and Contingencies - Restricted Cash     HTML     45K 
                and Cash Equivalents (Detail)                                    
16: R79         Related Party Transactions - Additional             HTML     66K 
                Information (Detail)                                             
64: R80         Defined Contribution Plans - Additional             HTML     38K 
                Information (Detail)                                             
20: R81         Business Segment Information - Additional           HTML     77K 
                Information (Detail)                                             
87: R82         Business Segment Information - Operating Results    HTML     57K 
                of Business Segments (Detail)                                    
44: R83         Selected Quarterly Financial Data (Unaudited) -     HTML    111K 
                Summary of Selected Quarterly Financial Data                     
                (Detail)                                                         
90: XML         IDEA XML File -- Filing Summary                      XML    162K 
34: EXCEL       IDEA Workbook of Financial Reports (.xls)            XLS   1.50M 
 2: EX-101.INS  XBRL Instance -- idt-20120731                        XML   2.35M 
 4: EX-101.CAL  XBRL Calculations -- idt-20120731_cal                XML    342K 
 5: EX-101.DEF  XBRL Definitions -- idt-20120731_def                 XML   1.41M 
 6: EX-101.LAB  XBRL Labels -- idt-20120731_lab                      XML   2.15M 
 7: EX-101.PRE  XBRL Presentations -- idt-20120731_pre               XML   1.60M 
 3: EX-101.SCH  XBRL Schema -- idt-20120731                          XSD    359K 
61: ZIP         XBRL Zipped Folder -- 0001193125-12-461999-xbrl      Zip    288K

‘EX-101.SCH’   —   XBRL Schema — idt-20120731

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<link:definition> 134 - Disclosure - Other Operating (Losses) Gains, Net (Tables) </link:definition>
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<link:definition> 135 - Disclosure - Notes Payable (Tables) </link:definition>
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<link:definition> 136 - Disclosure - Other (Expense) Income, Net (Tables) </link:definition>
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<link:definition> 137 - Disclosure - Income Taxes (Tables) </link:definition>
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<link:definition> 138 - Disclosure - Stock-Based Compensation (Tables) </link:definition>
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<link:definition> 139 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Tables) </link:definition>
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<link:definition> 140 - Disclosure - Commitments and Contingencies (Tables) </link:definition>
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<link:definition> 141 - Disclosure - Business Segment Information (Tables) </link:definition>
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<link:definition> 142 - Disclosure - Selected Quarterly Financial Data (Unaudited) (Tables) </link:definition>
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<link:definition> 143 - Disclosure - Description of Business and Summary of Significant Accounting Policies - Additional Information (Detail) </link:definition>
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<link:definition> 144 - Disclosure - Description of Business and Summary of Significant Accounting Policies - Summary of Weighted-Average Number of Shares used in Calculation of Basic and Diluted Earnings Per Share (Detail) </link:definition>
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<link:definition> 145 - Disclosure - Description of Business and Summary of Significant Accounting Policies - Summary of Outstanding Stock Options Excluded from Calculation of Diluted Earnings Per Share (Detail) </link:definition>
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<link:definition> 146 - Disclosure - Description of Business and Summary of Significant Accounting Policies - Summary of Change in Allowance for Doubtful Accounts (Detail) </link:definition>
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<link:definition> 147 - Disclosure - Discontinued Operations - Additional Information (Detail) </link:definition>
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<link:definition> 148 - Disclosure - Discontinued Operations - Summary Financial Data of Discontinued Operations (Detail) </link:definition>
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<link:definition> 149 - Disclosure - Discontinued Operations - Schedule of Assets and Liabilities of Discontinued Operations (Detail) </link:definition>
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<link:definition> 150 - Disclosure - Fair Value Measurements - Additional Information (Detail) </link:definition>
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<link:definition> 151 - Disclosure - Fair Value Measurements - Summary of Change in Company's Assets Measured at Fair Value on Recurring Basis (Detail) </link:definition>
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<link:definition> 152 - Disclosure - Property, Plant and Equipment - Schedule of Property, Plant and Equipment (Detail) </link:definition>
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<link:definition> 153 - Disclosure - Property, Plant and Equipment - Additional Information (Detail) </link:definition>
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<link:definition> 154 - Disclosure - Goodwill and Other Intangibles - Schedule of Change in Carrying Amount of Goodwill by Operating Segment (Detail) </link:definition>
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<link:definition> 155 - Disclosure - Goodwill and Other Intangibles - Schedule of Other Intangible Assets (Detail) </link:definition>
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<link:definition> 156 - Disclosure - Goodwill and Other Intangibles - Additional Information (Detail) </link:definition>
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<link:definition> 157 - Disclosure - Other Operating (Losses) Gains, Net - Summary of Other Operating (Losses) Gains, Net by Business Segment (Detail) </link:definition>
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<link:definition> 158 - Disclosure - Notes Payable - Schedule of Notes Payable (Detail) </link:definition>
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<link:definition> 159 - Disclosure - Notes Payable - Schedule of Notes Payable (Parenthetical) (Detail) </link:definition>
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<link:definition> 160 - Disclosure - Notes Payable - Schedule of Estimated Future Principal Payments of Notes Payable (Detail) </link:definition>
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<link:definition> 161 - Disclosure - Other (Expense) Income, Net - Schedule of Other Income Expense Net (Detail) </link:definition>
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<link:definition> 162 - Disclosure - Other (Expense) Income, Net - Additional Information (Detail) </link:definition>
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<link:definition> 163 - Disclosure - Income Taxes - Schedule of Income (Loss) from Continuing Operations Before Income Taxes (Detail) </link:definition>
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<link:definition> 164 - Disclosure - Income Taxes - Schedule of Deferred Income Tax Assets and Deferred Income Tax Liabilities (Detail) </link:definition>
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<link:definition> 165 - Disclosure - Income Taxes - Schedule of Benefit from Income Taxes (Detail) </link:definition>
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<link:definition> 166 - Disclosure - Income Taxes - Additional Information (Detail) </link:definition>
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<link:definition> 167 - Disclosure - Income Taxes - Schedule of Statutory Income Tax Rate and Income Taxes Provided (Detail) </link:definition>
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<link:definition> 168 - Disclosure - Income Taxes - Schedule of Change in Valuation Allowance (Detail) </link:definition>
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<link:definition> 169 - Disclosure - Income Taxes - Summary of Change in Balance of Unrecognized Income Tax Benefits (Detail) </link:definition>
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<link:definition> 170 - Disclosure - Equity - Additional Information (Detail) </link:definition>
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<link:definition> 171 - Disclosure - Stock-Based Compensation - Additional Information (Detail) </link:definition>
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<link:definition> 172 - Disclosure - Stock-Based Compensation - Schedule of Risk Free Rate Based on U.S. Treasury Yield Curve Effect at Time of Grant (Detail) </link:definition>
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<link:definition> 173 - Disclosure - Stock-Based Compensation - Summary of Stock Option Activity (Detail) </link:definition>
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<link:definition> 174 - Disclosure - Stock-Based Compensation - Grants of Restricted Shares of Class B Common Stock (Detail) </link:definition>
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<link:definition> 175 - Disclosure - Accumulated Other Comprehensive Income (Loss) - Schedule of Accumulated Balances for Each Classification of Other Comprehensive Income (Detail) </link:definition>
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<link:definition> 176 - Disclosure - Legal Proceedings - Additional Information (Detail) </link:definition>
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<link:definition> 177 - Disclosure - Commitments and Contingencies - Additional Information (Detail) </link:definition>
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<link:definition> 178 - Disclosure - Commitments and Contingencies - Future Minimum Payments for Operating Leases (Detail) </link:definition>
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<link:definition> 179 - Disclosure - Commitments and Contingencies - Restricted Cash and Cash Equivalents (Detail) </link:definition>
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<link:definition> 180 - Disclosure - Related Party Transactions - Additional Information (Detail) </link:definition>
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<link:definition> 181 - Disclosure - Defined Contribution Plans - Additional Information (Detail) </link:definition>
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<link:definition> 182 - Disclosure - Business Segment Information - Additional Information (Detail) </link:definition>
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<link:definition> 183 - Disclosure - Business Segment Information - Operating Results of Business Segments (Detail) </link:definition>
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<link:definition> 184 - Disclosure - Selected Quarterly Financial Data (Unaudited) - Summary of Selected Quarterly Financial Data (Detail) </link:definition>
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<link:definition> 185 - Statement - CONSOLIDATED STATEMENTS OF INCOME (Alternate 1) </link:definition>
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<link:linkbaseRef xlink:type="simple" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:href="idt-20120731_cal.xml" xlink:title="Calculation Links, all"/>
<link:linkbaseRef xlink:type="simple" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:href="idt-20120731_def.xml" xlink:title="Definition Links, all"/>
<link:linkbaseRef xlink:type="simple" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:href="idt-20120731_lab.xml" xlink:title="Label Links, all"/>
<link:linkbaseRef xlink:type="simple" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:href="idt-20120731_pre.xml" xlink:title="Presentation Links, all"/>
</appinfo>
</annotation>
<import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
<import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
<import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
<import namespace="http://fasb.org/us-types/2012-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2012/elts/us-types-2012-01-31.xsd"/>
<import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd"/>
<import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd"/>
<import namespace="http://fasb.org/us-gaap/2012-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd"/>
<import namespace="http://xbrl.sec.gov/country/2012-01-31" schemaLocation="http://xbrl.sec.gov/country/2012/country-2012-01-31.xsd"/>
<import namespace="http://xbrl.sec.gov/dei/2012-01-31" schemaLocation="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd"/>
<import namespace="http://xbrl.sec.gov/invest/2012-01-31" schemaLocation="http://xbrl.sec.gov/invest/2012/invest-2012-01-31.xsd"/>
<element name="AccountingPoliciesLineItems" id="idt_AccountingPoliciesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="AccountingPoliciesTable" id="idt_AccountingPoliciesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
<element name="AccruedLitigationCharges" id="idt_AccruedLitigationCharges" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="AccruedLitigationLoss" id="idt_AccruedLitigationLoss" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="AccumulatedDeficitMember" id="idt_AccumulatedDeficitMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="AccumulatedOtherComprehensiveIncomeLossDisclosureTextBlock" id="idt_AccumulatedOtherComprehensiveIncomeLossDisclosureTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="AccumulatedOtherComprehensiveIncomeLossIncreaseDecreaseDueToSpinOff" id="idt_AccumulatedOtherComprehensiveIncomeLossIncreaseDecreaseDueToSpinOff" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="AccumulatedOtherComprehensiveIncomeLossLineItems" id="idt_AccumulatedOtherComprehensiveIncomeLossLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="AccumulatedOtherComprehensiveIncomeLossTable" id="idt_AccumulatedOtherComprehensiveIncomeLossTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
<element name="ActualPaymentReceivedUnderThirdPartyBankruptcySettlement" id="idt_ActualPaymentReceivedUnderThirdPartyBankruptcySettlement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="AdjustmentsToAdditionalPaidInCapitalAndTreasuryStockOther" id="idt_AdjustmentsToAdditionalPaidInCapitalAndTreasuryStockOther" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="AllOtherMember" id="idt_AllOtherMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="AllowanceForDoubtfulAccountsPolicyTextBlock" id="idt_AllowanceForDoubtfulAccountsPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="AmortizationExpenseForIntangiblesAndOtherAssets" id="idt_AmortizationExpenseForIntangiblesAndOtherAssets" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="AmountOfTaxAssessmentIncludingInterestAndPenalties" id="idt_AmountOfTaxAssessmentIncludingInterestAndPenalties" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="AssessmentOfTaxIncludingPenaltiesAndInterest" id="idt_AssessmentOfTaxIncludingPenaltiesAndInterest" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="AssetAcquisitionCashPaid" id="idt_AssetAcquisitionCashPaid" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="AssetsAtFairValueMember" id="idt_AssetsAtFairValueMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="AuctionRateSecurities" id="idt_AuctionRateSecurities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="BasisOfConsolidationPolicyTextBlock" id="idt_BasisOfConsolidationPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="BasisPointsSpread" id="idt_BasisPointsSpread" type="xbrli:integerItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
<element name="BroadstripeLLCMember" id="idt_BroadstripeLLCMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="CapitalLeasedAssetsAccumulatedDepreciation" id="idt_CapitalLeasedAssetsAccumulatedDepreciation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="CashReceivedUponTerminationOfContract" id="idt_CashReceivedUponTerminationOfContract" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="CEOOfInnovativeCommunicationsTechnologiesIncMember" id="idt_CEOOfInnovativeCommunicationsTechnologiesIncMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="CertainLoansAcquiredInTransferCashPaid" id="idt_CertainLoansAcquiredInTransferCashPaid" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="CertainLoansAcquiredInTransferFaceAmount" id="idt_CertainLoansAcquiredInTransferFaceAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ChangesToCommonStockSharesReservedForStockOptionIncentivePlan" id="idt_ChangesToCommonStockSharesReservedForStockOptionIncentivePlan" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ChangesToSharesAvailableForFutureGrants" id="idt_ChangesToSharesAvailableForFutureGrants" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ClassaRestrictedCommonShareMember" id="idt_ClassaRestrictedCommonShareMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ClassATreasuryStockPeriodDecreaseIncrease" id="idt_ClassATreasuryStockPeriodDecreaseIncrease" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="CommitmentAndContingenciesLineItems" id="idt_CommitmentAndContingenciesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="CommitmentAndContingenciesTable" id="idt_CommitmentAndContingenciesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
<element name="CommonStockSharesReservedForStockOptionIncentivePlan" id="idt_CommonStockSharesReservedForStockOptionIncentivePlan" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
<element name="CompensationRelatedCostsShareBasedPaymentsDisclosureLineItems" id="idt_CompensationRelatedCostsShareBasedPaymentsDisclosureLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="CompensationRelatedCostsShareBasedPaymentsDisclosureTable" id="idt_CompensationRelatedCostsShareBasedPaymentsDisclosureTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
<element name="ComputerSoftwareMember" id="idt_ComputerSoftwareMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ConcentrationOfCreditRiskPolicyTextBlock" id="idt_ConcentrationOfCreditRiskPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ConnectivityLeaseRentalExpense" id="idt_ConnectivityLeaseRentalExpense" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ConsumerPhoneServicesMember" id="idt_ConsumerPhoneServicesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ConversionOfClassACommonStockToClassBCommonStockShares" id="idt_ConversionOfClassACommonStockToClassBCommonStockShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ConversionOfExchangeableSharesIntoClassBCommonShares" id="idt_ConversionOfExchangeableSharesIntoClassBCommonShares" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ConversionOfExchangeableSharesIntoClassBCommonSharesAggregateSharesExchanged" id="idt_ConversionOfExchangeableSharesIntoClassBCommonSharesAggregateSharesExchanged" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="CorporateOtherIncomeLoss" id="idt_CorporateOtherIncomeLoss" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="CostOfRevenuePolicyTextBlock" id="idt_CostOfRevenuePolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="CountryAxis" id="idt_CountryAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem"/>
<element name="CountryDomain" id="idt_CountryDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="CTMHoldingsAndSubsidiariesMember" id="idt_CTMHoldingsAndSubsidiariesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="CustomerDepositsMember" id="idt_CustomerDepositsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="DamagesAwardedToPlaintiffFinalJudgment" id="idt_DamagesAwardedToPlaintiffFinalJudgment" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="DamagesAwardedToPlaintiffPreJudgmentInterest" id="idt_DamagesAwardedToPlaintiffPreJudgmentInterest" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="DebtInstrumentInterestAddedToPrincipalAmount" id="idt_DebtInstrumentInterestAddedToPrincipalAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="DebtInstrumentInterestAddedToPrincipalSupercededAmount" id="idt_DebtInstrumentInterestAddedToPrincipalSupercededAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="DebtInstrumentInterestPaymentRate" id="idt_DebtInstrumentInterestPaymentRate" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="DebtInstrumentInterestRateNonPaymentPortion" id="idt_DebtInstrumentInterestRateNonPaymentPortion" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="DebtInstrumentMaturitiesPeriod" id="idt_DebtInstrumentMaturitiesPeriod" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="DebtInstrumentsMaturityPeriod" id="idt_DebtInstrumentsMaturityPeriod" type="xbrli:stringItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
<element name="DecreaseInOutstandingStockOptionExercisePriceAfterSpinoff" id="idt_DecreaseInOutstandingStockOptionExercisePriceAfterSpinoff" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="DeferredTaxAssetsAccruedExpenses" id="idt_DeferredTaxAssetsAccruedExpenses" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="DeferredTaxAssetsBadDebtReserve" id="idt_DeferredTaxAssetsBadDebtReserve" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="DeferredTaxAssetsDepreciation" id="idt_DeferredTaxAssetsDepreciation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="DeferredTaxAssetsStockOptions" id="idt_DeferredTaxAssetsStockOptions" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="DeferredTaxAssetsUnrealizedGains" id="idt_DeferredTaxAssetsUnrealizedGains" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="DeferredTaxLiabilitiesUnrealizedLosses" id="idt_DeferredTaxLiabilitiesUnrealizedLosses" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="DefinedContributionPlanDisclosureTextBlock" id="idt_DefinedContributionPlanDisclosureTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="DefinedContributionPlanEmployerMatchingContributionInEmployerShares" id="idt_DefinedContributionPlanEmployerMatchingContributionInEmployerShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="DefinedContributionPlanEmployerMatchingContributionLimitPercent" id="idt_DefinedContributionPlanEmployerMatchingContributionLimitPercent" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="DepreciationAndAmortizationOfPropertyPlantAndEquipment" id="idt_DepreciationAndAmortizationOfPropertyPlantAndEquipment" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="DescriptionOfBusinessPolicyTextBlock" id="idt_DescriptionOfBusinessPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="DilutiveSecuritiesNameDomain" id="idt_DilutiveSecuritiesNameDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="DilutiveSecuritiesStockOptionsShares" id="idt_DilutiveSecuritiesStockOptionsShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="DisclosureAccumulatedOtherComprehensiveIncomeLossScheduleOfAccumulatedBalancesForEachClassificationOfOtherComprehensiveIncomeAbstract" id="idt_DisclosureAccumulatedOtherComprehensiveIncomeLossScheduleOfAccumulatedBalancesForEachClassificationOfOtherComprehensiveIncomeAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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<element name="DisclosureBusinessSegmentInformationOperatingResultsOfBusinessSegmentsAbstract" id="idt_DisclosureBusinessSegmentInformationOperatingResultsOfBusinessSegmentsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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<element name="DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesSummaryOfOutstandingStockOptionsExcludedFromCalculationOfDilutedEarningsPerShareAbstract" id="idt_DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesSummaryOfOutstandingStockOptionsExcludedFromCalculationOfDilutedEarningsPerShareAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesSummaryOfWeightedAverageNumberOfSharesUsedInCalculationOfBasicAndDilutedEarningsPerShareAbstract" id="idt_DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesSummaryOfWeightedAverageNumberOfSharesUsedInCalculationOfBasicAndDilutedEarningsPerShareAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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<element name="DisclosureFairValueMeasurementsSummaryOfChangeInCompanysAssetsMeasuredAtFairValueOnRecurringBasisAbstract" id="idt_DisclosureFairValueMeasurementsSummaryOfChangeInCompanysAssetsMeasuredAtFairValueOnRecurringBasisAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="DisclosureGoodwillAndOtherIntangiblesAdditionalInformationAbstract" id="idt_DisclosureGoodwillAndOtherIntangiblesAdditionalInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="DisclosureGoodwillAndOtherIntangiblesScheduleOfChangeInCarryingAmountOfGoodwillByOperatingSegmentAbstract" id="idt_DisclosureGoodwillAndOtherIntangiblesScheduleOfChangeInCarryingAmountOfGoodwillByOperatingSegmentAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="DisclosureGoodwillAndOtherIntangiblesScheduleOfOtherIntangibleAssetsAbstract" id="idt_DisclosureGoodwillAndOtherIntangiblesScheduleOfOtherIntangibleAssetsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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<element name="LineOfCreditCovenantMaximumAmountOfLoansAndAdvancesToAffiliatesOrSubsidiaries" id="idt_LineOfCreditCovenantMaximumAmountOfLoansAndAdvancesToAffiliatesOrSubsidiaries" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="LineOfCreditFacilityUnusedCapacityCommitmentsFeePercentage" id="idt_LineOfCreditFacilityUnusedCapacityCommitmentsFeePercentage" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
<element name="LitigationAndOtherContingenciesTable" id="idt_LitigationAndOtherContingenciesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
<element name="LongLivedAssetsPolicyTextBlock" id="idt_LongLivedAssetsPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="LongTermInvestmentsMember" id="idt_LongTermInvestmentsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="LossContingencyAccrualAmount" id="idt_LossContingencyAccrualAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="LossContingencyAggregateAccrualAmount" id="idt_LossContingencyAggregateAccrualAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="LossContingencyDamagesAwardedPreliminaryValue" id="idt_LossContingencyDamagesAwardedPreliminaryValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="LossContingencyDamagesInKindValue" id="idt_LossContingencyDamagesInKindValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="LossContingencyInterestRateOnDamagesAwarded" id="idt_LossContingencyInterestRateOnDamagesAwarded" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
<element name="MarketableSecurityStructuredNoteMaturityDate" id="idt_MarketableSecurityStructuredNoteMaturityDate" type="us-types:durationStringItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
<element name="MarketableSecurityStructuredNoteParValue" id="idt_MarketableSecurityStructuredNoteParValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="MasonAndCompanyMember" id="idt_MasonAndCompanyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="MinorityInterestOwnershipPercentageByNoncontrollingOwnersAfterTransaction" id="idt_MinorityInterestOwnershipPercentageByNoncontrollingOwnersAfterTransaction" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
<element name="MinorityInterestOwnershipPercentageByNoncontrollingOwnersBeforeTransaction" id="idt_MinorityInterestOwnershipPercentageByNoncontrollingOwnersBeforeTransaction" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
<element name="MortgageLoansOnRealEstatePeriodicPaymentTermsSupercededBalloonPaymentAmount" id="idt_MortgageLoansOnRealEstatePeriodicPaymentTermsSupercededBalloonPaymentAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="MortgageLoansPayableNet" id="idt_MortgageLoansPayableNet" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="NetAssetsExcludingCashAndCashEquivalentsOfSubsidiariesDeconsolidatedAsresultOfSpinOff" id="idt_NetAssetsExcludingCashAndCashEquivalentsOfSubsidiariesDeconsolidatedAsresultOfSpinOff" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="NetBookValueOfDamagedPropertyPlantAndEquipment" id="idt_NetBookValueOfDamagedPropertyPlantAndEquipment" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="NetTwoPhoneMember" id="idt_NetTwoPhoneMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="NonCompeteAgreementMember" id="idt_NonCompeteAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="NonVestedRestrictedStockMember" id="idt_NonVestedRestrictedStockMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="NotesDueJuneTwoThousandTwelveMember" id="idt_NotesDueJuneTwoThousandTwelveMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="NumberOfDilutiveSecuritiesStock" id="idt_NumberOfDilutiveSecuritiesStock" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="NumberOfWirelessSpectrumLicensesSold" id="idt_NumberOfWirelessSpectrumLicensesSold" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="OtherExpenseIncomeNetMember" id="idt_OtherExpenseIncomeNetMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="OtherIncomeExpenseLineItems" id="idt_OtherIncomeExpenseLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="OtherIncomeExpenseTable" id="idt_OtherIncomeExpenseTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
<element name="OtherNoncontrollingInterestIncrease" id="idt_OtherNoncontrollingInterestIncrease" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="OtherOperatingGainsLossesOtherLoss" id="idt_OtherOperatingGainsLossesOtherLoss" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="OtherOperatingGainsLossNetTextBlock" id="idt_OtherOperatingGainsLossNetTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="OtherOperatingLossGains" id="idt_OtherOperatingLossGains" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="OtherOperatingLossIncomeNetLineItems" id="idt_OtherOperatingLossIncomeNetLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="OtherOperatingLossIncomeNetTable" id="idt_OtherOperatingLossIncomeNetTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
<element name="OtherServicesMember" id="idt_OtherServicesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="OthersMember" id="idt_OthersMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="OwnershipInterestPercentage" id="idt_OwnershipInterestPercentage" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
<element name="PatentLitigationExpense" id="idt_PatentLitigationExpense" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="PaymentForSettlementOfLitigation" id="idt_PaymentForSettlementOfLitigation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="PercentageOfConsolidatedRevenuesNotExceededByAnySingleCustomer" id="idt_PercentageOfConsolidatedRevenuesNotExceededByAnySingleCustomer" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="PercentageOfEquityInterestSold" id="idt_PercentageOfEquityInterestSold" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="PercentageOfEquityInterestSold2" id="idt_PercentageOfEquityInterestSold2" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="PercentageOfOwnershipInterestsAcquired" id="idt_PercentageOfOwnershipInterestsAcquired" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
<element name="PercentageOfSubsidiaryEquityGrantedToEmployees" id="idt_PercentageOfSubsidiaryEquityGrantedToEmployees" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="PercentageOfSubsidiaryEquityStockOptionGrantedToSubsidiaryOfficer" id="idt_PercentageOfSubsidiaryEquityStockOptionGrantedToSubsidiaryOfficer" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="PercentOfSharesDisposedof" id="idt_PercentOfSharesDisposedof" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="PiscatawayMember" id="idt_PiscatawayMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="PortionOfProceedsUsedToRepayMortgageLoan" id="idt_PortionOfProceedsUsedToRepayMortgageLoan" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="PrimeRateBasisMember" id="idt_PrimeRateBasisMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ProceedsFromInsurancePolicies" id="idt_ProceedsFromInsurancePolicies" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ProceedsFromInsuranceSettlement" id="idt_ProceedsFromInsuranceSettlement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ProceedsFromRedemptionOfAuctionRateSecurities" id="idt_ProceedsFromRedemptionOfAuctionRateSecurities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ProceedsFromSaleOfBuildingAfterPaymentOfMortgageAndTransactionExpenses" id="idt_ProceedsFromSaleOfBuildingAfterPaymentOfMortgageAndTransactionExpenses" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="PropertyPlantAndEquipmentEstimatedUsefulLivesMaximum" id="idt_PropertyPlantAndEquipmentEstimatedUsefulLivesMaximum" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="PropertyPlantAndEquipmentEstimatedUsefulLivesMinimum" id="idt_PropertyPlantAndEquipmentEstimatedUsefulLivesMinimum" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="PropertyPlantAndEquipmentTableTextBlock" id="idt_PropertyPlantAndEquipmentTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="QuarterlyFinancialDataLineItems" id="idt_QuarterlyFinancialDataLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="QuarterlyFinancialDataTable" id="idt_QuarterlyFinancialDataTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
<element name="RealizedGainsLossesAndOtherSettlements" id="idt_RealizedGainsLossesAndOtherSettlements" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ReasonablyPossibleLiabilityAboveAmountAccrued" id="idt_ReasonablyPossibleLiabilityAboveAmountAccrued" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ReasonablyPossibleTaxLiabilityInExcessOfAmountAccrued" id="idt_ReasonablyPossibleTaxLiabilityInExcessOfAmountAccrued" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="RecentlyAdoptedAccountingStandardsAndRecentlyIssuedAccountingStandardsNotYetAdoptedPolicyTextBlock" id="idt_RecentlyAdoptedAccountingStandardsAndRecentlyIssuedAccountingStandardsNotYetAdoptedPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ReclassificationPolicyTextBlock" id="idt_ReclassificationPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="RelatedPartyTransactionAggregatePaymentMadeToRelatedParty" id="idt_RelatedPartyTransactionAggregatePaymentMadeToRelatedParty" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="RelatedPartyTransactionAggregateRentAndBuildOutCostsPaidToRelatedParty" id="idt_RelatedPartyTransactionAggregateRentAndBuildOutCostsPaidToRelatedParty" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="RelatedPartyTransactionBillingsToRelatedPartyForServices" id="idt_RelatedPartyTransactionBillingsToRelatedPartyForServices" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="RelatedPartyTransactionEmployeeLoanReceivable" id="idt_RelatedPartyTransactionEmployeeLoanReceivable" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="RelatedPartyTransactionLeaseAnnualRentPaymentsToRelatedParty" id="idt_RelatedPartyTransactionLeaseAnnualRentPaymentsToRelatedParty" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="RelatedPartyTransactionPeriodOfRentalLeaseWithRelatedParty" id="idt_RelatedPartyTransactionPeriodOfRentalLeaseWithRelatedParty" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="RelatedPartyTransactionReductionInSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty" id="idt_RelatedPartyTransactionReductionInSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="RelatedPartyTransactionSiteBuildOutCostsPaidToRelatedParty" id="idt_RelatedPartyTransactionSiteBuildOutCostsPaidToRelatedParty" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="RelatedPartyTransactionSquareFootageOfPropertyRentedFromRelatedParty" id="idt_RelatedPartyTransactionSquareFootageOfPropertyRentedFromRelatedParty" type="num:areaItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="RepairAndMaintenancePolicyTextBlock" id="idt_RepairAndMaintenancePolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="RepaymentCollectionOfNotesReceivableNet" id="idt_RepaymentCollectionOfNotesReceivableNet" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="RepurchaseOfCommonStockFromRelatedParty" id="idt_RepurchaseOfCommonStockFromRelatedParty" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="RepurchaseOfCommonStockUnderStockRepurchaseProgram" id="idt_RepurchaseOfCommonStockUnderStockRepurchaseProgram" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="RepurchaseOfRestrictedStock" id="idt_RepurchaseOfRestrictedStock" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="RestrictedCashAndCashEquivalentsLongTermMember" id="idt_RestrictedCashAndCashEquivalentsLongTermMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="RestrictedCashAndCashEquivalentsShortTermMember" id="idt_RestrictedCashAndCashEquivalentsShortTermMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="RestrictedCashMember" id="idt_RestrictedCashMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="RestrictedStockIssuedToEmployeesAndDirectors" id="idt_RestrictedStockIssuedToEmployeesAndDirectors" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="RestrictedStockIssuedToEmployeesAndDirectorsShares" id="idt_RestrictedStockIssuedToEmployeesAndDirectorsShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="RestrictedStockUnitsClassBMember" id="idt_RestrictedStockUnitsClassBMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ReversalOfValuationAllowanceFromRealizationOfExcessTaxBenefit" id="idt_ReversalOfValuationAllowanceFromRealizationOfExcessTaxBenefit" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ReversalOfValuationAllowanceOnDeferredTaxAssets" id="idt_ReversalOfValuationAllowanceOnDeferredTaxAssets" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="SalesTaxAuditMember" id="idt_SalesTaxAuditMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="SanJuanMember" id="idt_SanJuanMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ScheduleOfAntiDilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTableTextBlock" id="idt_ScheduleOfAntiDilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ScheduleOfChangesInAllowanceForDoubtfulAccountsTableTextBlock" id="idt_ScheduleOfChangesInAllowanceForDoubtfulAccountsTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsBalanceSheetDisclosuresTableTextBlock" id="idt_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsBalanceSheetDisclosuresTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ScheduleOfEquityTable" id="idt_ScheduleOfEquityTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
<element name="ScheduleOfOtherIncomeExpenseNetTableTextBlock" id="idt_ScheduleOfOtherIncomeExpenseNetTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ScheduleOfOtherOperatingLossIncomeNetTableTextBlock" id="idt_ScheduleOfOtherOperatingLossIncomeNetTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ScheduleOfReconciliationOfAssetOrLiabilityMeasuredAtFairValueOnRecurringBasisSignificantUnobservableInputsLevelThreeTableTextBlock" id="idt_ScheduleOfReconciliationOfAssetOrLiabilityMeasuredAtFairValueOnRecurringBasisSignificantUnobservableInputsLevelThreeTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="SecuredTermLoanDueAprilTwoThousandAndTwentyMember" id="idt_SecuredTermLoanDueAprilTwoThousandAndTwentyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="SecuredTermLoanDueSeptemberTwoThousandAndFifteenMember" id="idt_SecuredTermLoanDueSeptemberTwoThousandAndFifteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="SegmentReportingDisclosureLineItems" id="idt_SegmentReportingDisclosureLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="SegmentReportingDisclosureTable" id="idt_SegmentReportingDisclosureTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
<element name="SegmentReportingOutsideCountryAxis" id="idt_SegmentReportingOutsideCountryAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem"/>
<element name="SegmentReportingOutsideCountryDomain" id="idt_SegmentReportingOutsideCountryDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="SeveranceAndOtherCharges" id="idt_SeveranceAndOtherCharges" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="SeveranceAndOtherPayments" id="idt_SeveranceAndOtherPayments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfOldOptionsExchangedForNewOptionsShares" id="idt_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfOldOptionsExchangedForNewOptionsShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfOldOptionsExtendedForOneYearTerm" id="idt_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfOldOptionsExtendedForOneYearTerm" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrices" id="idt_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrices" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrices" id="idt_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrices" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ShareBasedCompensationArrangementCommonSharesEligibleForPurchaseRelatedToOptionsVestedAndExercisableNumber" id="idt_ShareBasedCompensationArrangementCommonSharesEligibleForPurchaseRelatedToOptionsVestedAndExercisableNumber" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ShareBasedCompensationArrangementStockOptionInSubsidiarySharesNumber" id="idt_ShareBasedCompensationArrangementStockOptionInSubsidiarySharesNumber" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ShareBasedCompensationExpense" id="idt_ShareBasedCompensationExpense" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="SharesAvailableStockOptionIncentivePlanForFutureGrants" id="idt_SharesAvailableStockOptionIncentivePlanForFutureGrants" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
<element name="SharesExchangeBetweenSubsidiaries" id="idt_SharesExchangeBetweenSubsidiaries" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="SpinOffOfBusiness" id="idt_SpinOffOfBusiness" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="StandbyLetterOfCreditDueToExpireInOneToThreeYears" id="idt_StandbyLetterOfCreditDueToExpireInOneToThreeYears" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="StandbyLetterOfCreditDueToExpireInThreeToFiveYears" id="idt_StandbyLetterOfCreditDueToExpireInThreeToFiveYears" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="StandbyLettersOfCreditExpiresWithinOneYear" id="idt_StandbyLettersOfCreditExpiresWithinOneYear" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="StockBasedCompensation" id="idt_StockBasedCompensation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="StockIssuedDuringPeriodSharesStockOptionExercised" id="idt_StockIssuedDuringPeriodSharesStockOptionExercised" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="StockIssuedDuringPeriodValueNewIssuesOfSubsidiary" id="idt_StockIssuedDuringPeriodValueNewIssuesOfSubsidiary" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="StockRepurchaseSpecialAuthorizationNumberOfSharesAuthorizedToBeRepurchased" id="idt_StockRepurchaseSpecialAuthorizationNumberOfSharesAuthorizedToBeRepurchased" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
<element name="SubsequentEventPeriodAxis" id="idt_SubsequentEventPeriodAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem"/>
<element name="SubsequentEventPeriodDomain" id="idt_SubsequentEventPeriodDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="SummaryOfNetRevenuePreTaxLossNetLossAndLossPerCommonShareFromDiscontinuedOperationsTableTextBlock" id="idt_SummaryOfNetRevenuePreTaxLossNetLossAndLossPerCommonShareFromDiscontinuedOperationsTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="TaxAuditPayments" id="idt_TaxAuditPayments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="TaxesCollectedFromCustomersAndRemittedToGovernmentalAuthoritiesPolicyTextBlock" id="idt_TaxesCollectedFromCustomersAndRemittedToGovernmentalAuthoritiesPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="TaxLossContingencyAccrualAmount" id="idt_TaxLossContingencyAccrualAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="TelecomPlatformServicesMember" id="idt_TelecomPlatformServicesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="TermOfIndefeasibleRightToUse" id="idt_TermOfIndefeasibleRightToUse" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="TMobileMember" id="idt_TMobileMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="TotalFederalAndStateTaxNetOperatingLossCarryForwards" id="idt_TotalFederalAndStateTaxNetOperatingLossCarryForwards" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="TotalSubsidiaryTaxNetOperatingLossCarryForwards" id="idt_TotalSubsidiaryTaxNetOperatingLossCarryForwards" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="TotalSubsidiaryTaxNetOperatingLossCarryForwardsAnnualLimitAmountUnderInternalRevenueCode" id="idt_TotalSubsidiaryTaxNetOperatingLossCarryForwardsAnnualLimitAmountUnderInternalRevenueCode" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="TradeAccountsPayableAccruedExpensesOtherCurrentLiabilitiesAndOtherLiabilitiesMember" id="idt_TradeAccountsPayableAccruedExpensesOtherCurrentLiabilitiesAndOtherLiabilitiesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="TrademarksAndPatentsMember" id="idt_TrademarksAndPatentsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="TreasurySharesIssuedRelatedToStockOptionExercisesAndDeferredStockConversions" id="idt_TreasurySharesIssuedRelatedToStockOptionExercisesAndDeferredStockConversions" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="TypeOfRestrictedAndUnrestrictedCashAndCashEquivalentsAxis" id="idt_TypeOfRestrictedAndUnrestrictedCashAndCashEquivalentsAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem"/>
<element name="TypeOfRestrictedAndUnrestrictedCashAndCashEquivalentsDomain" id="idt_TypeOfRestrictedAndUnrestrictedCashAndCashEquivalentsDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="UniversalServiceFundChargesBilledToCustomersReportedGross" id="idt_UniversalServiceFundChargesBilledToCustomersReportedGross" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="UseOfEstimatesPolicyTextBlock" id="idt_UseOfEstimatesPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="WeightedAverageAmortizationPeriod" id="idt_WeightedAverageAmortizationPeriod" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="WholesaleSupplyAgreementAllegedFailureToPurchaseAmount" id="idt_WholesaleSupplyAgreementAllegedFailureToPurchaseAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
</schema>

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