Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Apr. 30, 2012	Apr. 30, 2011
Operating activities
Net income	$ 1,305	$ 24,851
Adjustments to reconcile net income to net cash provided by operating activities:
Net income from discontinued operations	(3,015)	(2,197)
Depreciation and amortization	12,836	16,422
Severance and other payments	0	(1,387)
Deferred income taxes	(997)	204
Provision for doubtful accounts receivable	1,322	3,039
Gain on sale of wireless spectrum	(5,330)	0
Gain on settlement of auction rate securities arbitration claim	0	(5,379)
Gain on proceeds from insurance	0	(2,637)
Interest in the equity of investments	(1,029)	295
Stock-based compensation	2,623	3,317
Change in assets and liabilities:
Trade accounts receivable	15,605	(30,352)
Prepaid expenses, other current assets and other assets	2,910	(3,640)
Trade accounts payable, accrued expenses, other current liabilities and other liabilities	6,837	29,328
Income taxes payable	(4,188)	(523)
Deferred revenue	2,089	10,932
Net cash provided by operating activities	30,968	42,273
Investing activities
Capital expenditures	(7,428)	(9,139)
Increase in investments	0	(50)
Proceeds from sale and redemption of investments	3,165	1,688
(Increase) decrease in restricted cash and cash equivalents	(718)	4,515
Proceeds from sale of wireless spectrum	6,800	0
Proceeds from sale of building	0	100
Proceeds from insurance	0	3,524
Proceeds from marketable securities	0	5,731
Purchases of certificates of deposit	0	(5,503)
Proceeds from maturities of certificates of deposit	3,540	2,167
Net cash provided by investing activities	5,359	3,033
Financing activities
Dividends paid	(11,599)	(9,961)
Cash of subsidiaries deconsolidated as a result of the Genie spin-off	(104,243)	0
Distributions to noncontrolling interests	(1,180)	(1,625)
Proceeds from sale of stock of subsidiary	133	0
Proceeds from exercise of stock options	0	1,654
Repayments of capital lease obligations	(1,781)	(3,729)
Repayments of borrowings	(273)	(469)
Repurchases of Class B common stock from employees	(210)	0
Net cash used in financing activities	(119,153)	(14,130)
Discontinued operations
Net cash (used in) provided by operating activities	(889)	8,177
Net cash used in investing activities	(2,048)	(3,647)
Net cash provided by financing activities	0	10,000
Net cash (used in) provided by discontinued operations	(2,937)	14,530
Effect of exchange rate changes on cash and cash equivalents	(2,068)	1,796
Net (decrease) increase in cash and cash equivalents	(87,831)	47,502
Cash and cash equivalents (including discontinued operations) at beginning of period	244,301	221,753
Cash and cash equivalents (including discontinued operations) at end of period	156,470	269,255
Less cash and cash equivalents of discontinued operations at end of period	0	(39,485)
Cash and cash equivalents (excluding discontinued operations) at end of period	156,470	229,770
Supplemental schedule of non-cash financing activities
Net assets excluding cash and cash equivalents of subsidiaries deconsolidated as a result of the Genie spin-off	$ 18,803	$ 0