Consolidated Statements Of Cash Flows (USD $) In Thousands	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010
Operating Activities - continuing operations
Net income (loss)	$ 13,263	$ 45,084
(Income) loss from discontinued operations		(201)
Adjustments to reconcile net loss to cash provided by (used in) operating activities:
Depreciation and amortization	2,271	1,842
Impairment related and other	119	168
Equity-based compensation	1,780	1,589
Equity loss	6,761	10,915
Other (income) loss	(26,558)	(64,923)
Deferred income taxes	1,496	1,386
Changes in assets and liabilities, net of effect of acquisitions:
Accounts receivable, net	(2,996)	(1,844)
Tax receivable	6,314	4,649
Prepaid expenses and other assets	(739)	226
Accounts payable	539	273
Accrued expenses	13	(1,731)
Accrued compensation and benefits	(4,941)	(3,066)
Deferred revenue	765	2,062
Other liabilities	684	(248)
Cash flows provided by (used in) operating activities	(1,229)	(3,819)
Investing Activities - continuing operations
Capital expenditures, net	(1,865)	(1,803)
Advanced deposits for acquisition of fixed assets	16	26
Change in restricted cash	66	(7)
Proceeds from sales of marketable securities		64,866
Proceeds from sales/distributions of ownership interests	51,878	1,836
Proceeds from other distributions	1,424
Ownership acquisitions	(4,130)	(434)
Acquisitions by subsidiary	(1,000)
Cash flows provided by (used in) investing activities	46,389	64,484
Financing Activities - continuing operations
Acquisition of noncontrolling interest in subsidiary equity	(1,320)	(35,253)
Long-term debt and capital lease obligations, net	(3,127)	(147)
Purchase of treasury stock	(770)
Tax withholdings related to equity-based awards	(146)	(63)
Cash received for stock option exercises	22
Other financing activities	(49)	6
Cash flows provided by (used in) financing activities	(5,390)	(35,457)
Effect of exchange rates on cash	97	(230)
Discontinued Operations
Cash flows provided by (used in) operating activities		310
Cash flows provided by (used in) investing activities		(12)
Cash flows provided by (used in) financing activities
Net increase (decrease) in cash and cash equivalents from discontinued operations		298
Net increase (decrease) in cash and cash equivalents	39,867	25,276
Cash and cash equivalents at beginning of period	92,438	55,481
Cash and cash equivalents at the end of period	$ 132,305	$ 80,757

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The charge against earnings resulting from the aggregate write down of all assets from their carrying value to their fair value.

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Reductions in the entity's income taxes that arise when compensation cost (from non-qualified share-based compensation) recognized on the entity's tax return exceeds compensation cost from equity-based compensation recognized in financial statements. This element represents the cash inflow reported in the enterprise's financing activities.

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The net cash inflow or outflow from financing activity for the period.

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The net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items.

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The cash outflow for acquisition of or capital improvements to properties held for investment (operating, managed, leased) or for use.

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The cash outflow to reacquire common stock during the period.

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The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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The cash outflow associated with the acquisition of or advances to an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, and joint venture or equity method investment) or the acquisition of an additional interest in a subsidiary (controlled entity).

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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The net cash inflow or outflow from other financing activities. This element is used when there is not a more specific and appropriate element in the taxonomy.

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The net cash inflow or outflow associated with security instrument that either represents a creditor or an ownership relationship with the holder of the investment security with a maturity of beyond one year or normal operating cycle, if longer. Includes proceeds from and repayments of (a) debt, (b) capital lease obligations, (c) mandatory redeemable capital securities, and (d) any combination of (a), (b), or (c).

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Balance Type:	debit
Period Type:	duration