IDT Financial Services Holding Limited Assets and Liabilities Held for Sale (Details) - USD ($) $ in Thousands	Jul. 31, 2017	Jul. 31, 2016	Jul. 31, 2015
CURRENT ASSETS HELD FOR SALE:
Cash and cash equivalents	$ 5,716	$ 5,536	$ 571
TOTAL CURRENT ASSETS HELD FOR SALE	124,267	107,084
NONCURRENT ASSETS HELD FOR SALE:
Other assets	5,134	5,130
CURRENT LIABILITIES HELD FOR SALE:
TOTAL CURRENT LIABILITIES HELD FOR SALE	115,318	96,963
NONCURRENT LIABILITIES HELD FOR SALE:
TOTAL NONCURRENT LIABILITIES HELD FOR SALE	$ 550	$ 435

Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.

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