Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jan. 31, 2020	Jan. 31, 2019
Operating activities
Net loss	$ (518)	$ (3,009)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization	10,479	11,357
Deferred income taxes	1,587	2,035
Provision for doubtful accounts receivable	1,466	620
Stock-based compensation	2,531	880
Other	(412)	(78)
Change in assets and liabilities:
Trade accounts receivable	6,253	17,333
Prepaid expenses, other current assets and other assets	(9,315)	79
Trade accounts payable, accrued expenses, other current liabilities and other liabilities	(11,488)	(15,188)
Customer deposits at IDT Financial Services Limited (Gibraltar-based bank)	(20,613)	29,015
Deferred revenue	(3,260)	(4,997)
Net cash (used in) provided by operating activities	(23,290)	38,047
Investing activities
Capital expenditures	(7,656)	(9,396)
Payments for acquisitions, net of cash acquired	(450)	(5,453)
Purchases of debt securities and equity investments	(8,994)	(500)
Proceeds from maturities and sales of debt securities and redemptions of equity investments	2,672	5,555
Net cash used in investing activities	(14,428)	(9,794)
Financing activities
Distributions to noncontrolling interests	(470)	(737)
Proceeds from sale of Class B common stock to Howard S. Jonas		13,272
Repayment of other liabilities.	(79)	(615)
Repayments of borrowings under revolving credit facility	(273)	(3,000)
Proceeds from borrowings under revolving credit facility	273	3,000
Proceeds from exercise of stock options	276
Repurchases of Class B common stock	(266)	(3,870)
Net cash (used in) provided by financing activities	(539)	8,050
Effect of exchange rate changes on cash, cash equivalents, and restricted cash and cash equivalents	14,152	(236)
Net (decrease) increase in cash, cash equivalents, and restricted cash and cash equivalents	(24,105)	36,067
Cash, cash equivalents, and restricted cash and cash equivalents at beginning of period	257,199	203,197
Cash, cash equivalents, and restricted cash and cash equivalents at end of period	233,094	239,264
Supplemental schedule of non-cash investing and financing activities
Liabilities incurred for acquisition	375
Howard S. Jonas' advance payment used for sale of Class B common stock		$ 1,500