Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Operating Activities
Net income (loss)	$ (6,868)	$ 16,242
Adjustments to reconcile net loss to cash provided by (used in) operating activities:
Depreciation and amortization	1,274	1,126
Impairment related and other	127	37
Other (income) loss	(397)	(24,946)
Equity loss	2,303	3,576
Equity-based compensation	1,646	734
Deferred income taxes	643	2,696
Changes in assets and liabilities, net of effect of acquisitions:
Accounts receivable, net	(4,330)	(1,673)
Tax receivable		6,314
Prepaid expenses and other assets	(676)	(186)
Accounts payable	231	(4)
Accrued expenses	910	150
Accrued compensation and benefits	(4,828)	(9,100)
Deferred revenue	1,397	(293)
Other liabilities	(237)	(59)
Cash flows provided by (used in) operating activities	(8,805)	(5,386)
Investing Activities
Capital expenditures, net	(968)	(777)
Advanced deposits for acquisition of fixed assets	(583)	31
Change in restricted cash	(40)	37
Proceeds from sales of ownership interests	15,901	51,347
Ownership acquisitions, net of cash acquired	(56,803)	(3,026)
Cash flows provided by (used in) investing activities	(42,493)	47,612
Financing Activities
Acquisition of noncontrolling interest in subsidiary equity	(1,447)
Borrowings of long-term debt	1,008	238
Repayment of long-term debt and capital lease obligations	(1,604)	(1,291)
Purchase of treasury stock	(2,660)
Tax withholdings related to equity-based awards		(134)
Cash received for stock option exercises	227	2
Other financing activities	26	(16)
Cash flows provided by (used in) financing activities	(4,450)	(1,201)
Effect of exchange rates on cash	110	94
Net increase (decrease) in cash and cash equivalents	(55,638)	41,119
Cash and cash equivalents at beginning of period	121,909	92,438
Cash and cash equivalents at end of period	$ 66,271	$ 133,557