Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jan. 31, 2014	Jul. 31, 2013
Current assets:
Cash and cash equivalents	$ 138,161	$ 146,960
Restricted cash and cash equivalents-short-term	57,606	34,988
Marketable securities	11,192	9,684
Trade accounts receivable, net of allowance for doubtful accounts of $13,075 at January 31, 2014 and $13,079 at July 31, 2013	63,711	65,078
Prepaid expenses	19,371	19,175
Deferred income tax assets, net-current portion	973	1,689
Other current assets	13,000	12,730
Total current assets	304,014	290,304
Property, plant and equipment, net	80,556	80,742
Goodwill	14,855	14,807
Other intangibles, net	1,407	1,390
Investments	9,396	9,605
Restricted cash and cash equivalents-long-term	2,763	7,407
Deferred income tax assets, net-long-term portion	18,105	20,000
Other assets	13,902	11,152
Total assets	444,998	435,407
Current liabilities:
Revolving credit loan payable	15,000	21,062
Trade accounts payable	30,442	39,323
Accrued expenses	137,083	145,432
Deferred revenue	97,816	91,227
Customer deposits	53,965	28,663
Income taxes payable	1,426	761
Dividends payable		1,837
Notes payable-current portion	542	535
Other current liabilities	4,285	4,829
Total current liabilities	340,559	333,669
Notes payable-long-term portion	6,492	6,624
Other liabilities	4,087	5,978
Total liabilities	351,138	346,271
Commitments and contingencies
IDT Corporation stockholders' equity:
Preferred stock, $.01 par value; authorized shares-10,000; no shares issued
Additional paid-in capital	390,502	388,533
Treasury stock, at cost, consisting of 1,698 and 1,698 shares of Class A common stock and 2,931 and 2,878 shares of Class B common stock at January 31, 2014 and July 31, 2013, respectively	(99,791)	(98,836)
Accumulated other comprehensive income	3,523	2,341
Accumulated deficit	(201,570)	(203,711)
Total IDT Corporation stockholders' equity	92,942	88,603
Noncontrolling interests	918	533
Total equity	93,860	89,136
Total liabilities and equity	444,998	435,407
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	$ 245	$ 243