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Commitments and Contingencies (Details 1) - USD ($) $ in Thousands | Jul. 31, 2015 | Jul. 31, 2014
--- | --- | ---
Restricted Cash and Cash Equivalents Items [Line Items] |  |
Restricted cash and cash equivalents-short-term | $ 91,035 | $ 65,706
Restricted cash and cash equivalents-long-term |  | 2,763
Total restricted cash and cash equivalents | $ 91,035 | 68,469
Restricted Cash And Cash Equivalents-Short-Term [Member] | Letters of credit related [Member] |  |
Restricted Cash and Cash Equivalents Items [Line Items] |  |
Restricted cash and cash equivalents-short-term | 3,163 | 665
Restricted Cash And Cash Equivalents-Short-Term [Member] | IDT Financial Services customer deposits [Member] |  |
Restricted Cash and Cash Equivalents Items [Line Items] |  |
Restricted cash and cash equivalents-short-term | 87,613 | 64,415
Restricted Cash And Cash Equivalents-Short-Term [Member] | Other [Member] |  |
Restricted Cash and Cash Equivalents Items [Line Items] |  |
Restricted cash and cash equivalents-short-term | $ 259 | 626
Restricted Cash And Cash Equivalents-Long-Term [Member] | Letters of credit related [Member] |  |
Restricted Cash and Cash Equivalents Items [Line Items] |  |
Restricted cash and cash equivalents-long-term |  | $ 2,763

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- Definition The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. For a classified balance sheet represents the current portion only (the noncurrent portion has a separate concept); there is a separate and distinct element for unclassified presentations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Cash and equivalents whose use in whole or in part is restricted for the long-term, generally by contractual agreements or regulatory requirements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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