Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jan. 31, 2016	Jan. 31, 2015
Operating activities
Net income	$ 9,240	$ 83,111
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	10,025	8,845
Deferred income taxes	4,708	2,441
Provision for doubtful accounts receivable	$ 486	35
Gain on sale of interest in Fabrix Systems Ltd.		(75,629)
Realized (gain) loss on marketable securities	$ (543)	54
Interest in the equity of investments	(79)	(1,459)
Stock-based compensation	1,644	3,020
Change in assets and liabilities:
Restricted cash and cash equivalents	(5,360)	(7,912)
Trade accounts receivable	(1,366)	3,285
Prepaid expenses, other current assets and other assets	7,644	5,787
Trade accounts payable, accrued expenses, other current liabilities and other liabilities	(10,814)	(7,478)
Customer deposits	8,200	8,193
Income taxes payable	159	(292)
Deferred revenue	1,202	(1,047)
Net cash provided by operating activities	25,146	20,954
Investing activities
Capital expenditures	(9,223)	(13,946)
Proceeds from sale of interest in Fabrix Systems Ltd., net of cash and cash equivalents sold.	4,769	36,039
Purchase of investments	(350)	(125)
Proceeds from sale and redemption of investments	626	43
Purchases of marketable securities	(24,480)	(18,382)
Proceeds from maturities and sales of marketable securities	18,720	12,104
Net cash (used in) provided by investing activities	(9,938)	15,733
Financing activities
Dividends paid	(8,626)	(38,891)
Distributions to noncontrolling interests	$ (1,220)	(750)
Proceeds from exercise of stock options.		2,896
Repayments of revolving credit loan payable and other borrowings	$ (6,353)	(13,132)
Repurchases of Class B common stock	(4,773)	(703)
Net cash used in financing activities	(20,972)	(50,580)
Effect of exchange rate changes on cash and cash equivalents	(5,083)	(6,789)
Net (decrease) increase in cash and cash equivalents	(10,847)	(20,682)
Cash and cash equivalents at beginning of period	110,361	153,823
Cash and cash equivalents at end of period	$ 99,514	133,141
Supplemental schedule of non-cash investing and financing activities
Net liabilities excluding cash and cash equivalents of Fabrix Systems Ltd. sold		$ 14,333