Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jan. 31, 2012	Jan. 31, 2011
Operating activities
Net (loss) income	$ (2,144)	$ 19,029
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Net income from discontinued operations	(3,015)	(1,533)
Depreciation and amortization	8,673	11,183
Severance and other payments	0	(572)
Deferred income taxes	(997)	240
Provision for doubtful accounts receivable	954	1,986
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	798	662
Stock-based compensation	1,616	1,676
Change in assets and liabilities:
Trade accounts receivable	(6,818)	(26,549)
Prepaid expenses, other current assets and other assets	5,893	888
Trade accounts payable, accrued expenses, other current liabilities and other liabilities	3,717	21,517
Income taxes payable	(2,160)	(957)
Deferred revenue	25	10,693
Net cash provided by operating activities	6,542	30,247
Investing activities
Capital expenditures	(4,439)	(6,031)
Increase in investments	0	(50)
Proceeds from sale and redemption of investments	3,017	1,646
(Increase) decrease in restricted cash and cash equivalents	(2,594)	4,907
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	(5,220)
Proceeds from maturities of certificates of deposit	3,540	1,644
Net cash (used in) provided by investing activities	(476)	6,251
Financing activities
Dividends paid	(8,185)	(9,961)
Cash of subsidiaries deconsolidated as a result of the Genie spin-off	(104,243)	0
Distributions to noncontrolling interests	(650)	(1,100)
Proceeds from sale of stock of subsidiary	133	0
Proceeds from exercise of stock options	0	442
Repayments of capital lease obligations	(1,781)	(2,547)
Repayments of borrowings	(215)	(309)
Repurchases of Class B common stock from employees	(210)	0
Net cash used in financing activities	(115,151)	(13,475)
Discontinued operations
Net cash used in operating activities	(889)	(771)
Net cash used in investing activities	(2,048)	(2,499)
Net cash provided by financing activities	0	10,000
Net cash (used in) provided by discontinued operations	(2,937)	6,730
Effect of exchange rate changes on cash and cash equivalents	(1,887)	550
Net (decrease) increase in cash and cash equivalents	(113,909)	30,303
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	130,392	252,056
Less cash and cash equivalents of discontinued operations at end of period	0	(30,670)
Cash and cash equivalents (excluding discontinued operations) at end of period	130,392	221,386
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