Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Operating Activities
Net income (loss)	$ (12,210)	$ 13,263
Adjustments to reconcile net loss to cash provided by (used in) operating activities:
Depreciation and amortization	3,603	2,271
Impairment related and other	287	119
Other income (loss)	(1,451)	(26,558)
Equity loss	5,539	6,761
Equity-based compensation	3,582	1,780
Deferred income taxes	34	1,496
Changes in assets and liabilities, net of effect of acquisitions:
Accounts receivable, net	(5,249)	(2,996)
Tax receivable		6,314
Prepaid expenses and other assets	(2,876)	(739)
Accounts payable	1,732	539
Accrued expenses	810	13
Accrued compensation and benefits	(521)	(4,941)
Deferred revenue	815	765
Other liabilities	(236)	684
Cash flows provided by (used in) operating activities	(6,141)	(1,229)
Investing Activities
Capital expenditures, net	(3,498)	(1,865)
Advanced deposits for acquisition of fixed assets	(1,138)	16
Change in restricted cash	(162)	66
Ownership acquisitions, net of cash acquired	(57,583)	(4,130)
Proceeds from sales of ownership interests	15,913	51,878
Proceeds from sales of marketable securities	7,526
Proceeds from other distributions		1,424
Acquisitions by subsidiary	(11,500)	(1,000)
Cash flows provided by (used in) investing activities	(50,442)	46,389
Financing Activities
Acquisition of non controlling interest in subsidiary equity	(1,529)	(1,320)
Repayment of long-term debt and capital lease obligations	(3,618)	(3,365)
Borrowings of long-term debt	1,008	238
Purchase of treasury stock	(4,114)	(770)
Tax withholdings related to equity-based awards	(188)	(146)
Cash received for stock option exercises	252	22
Other financing activities	26	(49)
Cash flows provided by (used in) financing activities	(8,163)	(5,390)
Effect of exchange rates on cash	(18)	97
Net increase (decrease) in cash and cash equivalents	(64,764)	39,867
Cash and cash equivalents at beginning of period	121,909	92,438
Cash and cash equivalents at end of period	$ 57,145	$ 132,305