Consolidated Balance Sheets - USD ($) $ in Thousands	Jul. 31, 2015	Jul. 31, 2014
CURRENT ASSETS:
Cash and cash equivalents	$ 110,361	$ 153,823
Restricted cash and cash equivalents-short-term	91,035	65,706
Marketable securities	40,287	12,873
Trade accounts receivable, net of allowance for doubtful accounts of $5,645 and $11,507 at July 31, 2015 and 2014, respectively	58,543	$ 69,330
Receivable from sale of interest in Fabrix Systems, Ltd.	8,471
Prepaid expenses	17,304	$ 21,799
Deferred income tax assets, net-current portion	843	2,953
Other current assets	14,344	12,381
TOTAL CURRENT ASSETS	341,188	338,865
Property, plant and equipment, net	91,316	81,760
Goodwill	14,388	14,830
Other intangibles, net	1,277	1,742
Investments	$ 12,344	10,008
Restricted cash and cash equivalents-long-term		2,763
Deferred income tax assets, net-long-term portion	$ 12,481	16,248
Other assets	12,688	14,715
TOTAL ASSETS	$ 485,682	480,931
CURRENT LIABILITIES:
Revolving credit loan payable		13,000
Trade accounts payable	$ 29,140	42,135
Accrued expenses	139,272	142,528
Deferred revenue	86,302	101,165
Customer deposits	84,454	62,685
Income taxes payable	391	732
Note payable-current portion	6,353	271
Other current liabilities	3,000	5,468
TOTAL CURRENT LIABILITIES	$ 348,912	367,984
Note payable-long-term portion		6,353
Other liabilities	$ 1,830	5,430
TOTAL LIABILITIES	$ 350,742	$ 379,767
Commitments and contingencies
IDT Corporation stockholders' equity:
Preferred stock, $.01 par value; authorized shares-10,000; no shares issued
Additional paid-in capital	$ 403,146	$ 392,858
Treasury stock, at cost, consisting of 1,698 and 1,698 shares of Class A common stock and 3,521 and 2,934 shares of Class B common stock at July 31, 2015 and 2014, respectively	(110,543)	(99,841)
Accumulated other comprehensive income	771	3,668
Accumulated deficit	(159,829)	(196,725)
Total IDT Corporation stockholders' equity	133,831	100,239
Noncontrolling interests	1,109	925
TOTAL EQUITY	134,940	101,164
TOTAL LIABILITIES AND EQUITY	485,682	480,931
Class A common stock [Member]
IDT Corporation stockholders' equity:
Common stock, value	33	33
Class B common stock [Member]
IDT Corporation stockholders' equity:
Common stock, value	$ 253	$ 246

The aggregate amount of receivables to be collected from divestiture of interest in consolidated subsidiaries.

No definition available.

Name:	idt_ReceivableFromDivestitureOfInterestInConsolidatedSubsidiaries
Namespace Prefix:	idt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).