Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Apr. 30, 2016	Apr. 30, 2015
Operating activities
Net income	$ 13,941	$ 84,234
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	15,543	13,462
Deferred income taxes	5,913	2,176
Provision for doubtful accounts receivable	600	90
Gain on sale of interest in Fabrix Systems Ltd.	(1,086)	$ (76,864)
Realized gain on marketable securities	(543)
Interest in the equity of investments	379	$ (1,655)
Stock-based compensation	2,317	4,012
Change in assets and liabilities:
Restricted cash and cash equivalents	(14,657)	(11,400)
Trade accounts receivable	1,758	8,544
Prepaid expenses, other current assets and other assets	6,450	2,604
Trade accounts payable, accrued expenses, other current liabilities and other liabilities	(14,972)	(5,287)
Customer deposits	17,028	11,169
Income taxes payable	65	(278)
Deferred revenue	3,097	(3,024)
Net cash provided by operating activities	35,833	27,783
Investing activities
Capital expenditures	(13,964)	(22,810)
Proceeds from sale of interest in Fabrix Systems Ltd., net of cash and cash equivalents sold.	4,769	36,455
Purchase of investments	(1,850)	(125)
Proceeds from sale and redemption of investments	632	71
Purchases of marketable securities	(29,800)	(35,502)
Proceeds from maturities and sales of marketable securities	24,176	16,840
Net cash used in investing activities	(16,037)	(5,071)
Financing activities
Dividends paid	(12,983)	(43,171)
Distributions to noncontrolling interests	$ (1,545)	(1,450)
Proceeds from exercise of stock options.		3,317
Repayments of revolving credit loan payable and other borrowings	$ (6,353)	(13,201)
Repurchases of Class B common stock	(4,773)	(703)
Net cash used in financing activities	(25,654)	(55,208)
Effect of exchange rate changes on cash and cash equivalents	(3,368)	(6,573)
Net decrease in cash and cash equivalents	(9,226)	(39,069)
Cash and cash equivalents at beginning of period	110,361	153,823
Cash and cash equivalents at end of period	$ 101,135	114,754
Supplemental schedule of non-cash investing and financing activities
Net liabilities excluding cash and cash equivalents of Fabrix Systems Ltd. sold		$ 14,333