Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2012

Fair Value Measurements

Fair value measurements for assets and liabilities measured on a recurring basis

June 30, 2012	Total		Level 1		Level 2		Level 3
Assets
Cash and cash equivalents:
Tax free money market mutual funds	$	4,533	$	4,533	$	—	$	—
U.S. government money market mutual funds	128,877		128,877		—		—
Money market mutual funds	4,615		4,615		—		—
Securities owned, at fair value:
Corporate stocks-trading securities	973		973		—		—
Mutual funds	4,790		4,790		—		—
Total	$	143,788	$	143,788	$	—	$	—
Liabilities
Accounts payable and accrued expenses:
Currency forward contracts	11		—		11		—
Securities sold, not yet purchased, at fair value:
Corporate stocks-trading securities	1,757		1,757		—		—
Total	$	1,768	$	1,757	$	11	$	—

December 31, 2011	Total		Level 1		Level 2		Level 3
Assets
Cash and cash equivalents:
Tax free money market mutual funds	$	2,041	$	2,041	$	—	$	—
U.S. government money market mutual funds	110,901		110,901		—		—
Money market mutual funds	6,372		6,372		—		—
Securities owned, at fair value:
Corporate stocks-trading securities	689		689		—		—
Mutual funds	4,588		4,588		—		—
Total	$	124,591	$	124,591	$	—	$	—
Liabilities
Accounts payable and accrued expenses:
Currency forward contracts	$	3	$	—	$	3	$	—
Securities sold, not yet purchased, at fair value:
Corporate stocks—trading securities	438		438		—		—
Total	$	441	$	438	$	3	$	—

Fair value measurements for assets and liabilities measured on a non-recurring basis

			Fair Value Measurements Using						Total
	June 30, 2012		Level 1		Level 2		Level 3		Losses
Goodwill — U.S. Operations	—		—		—		—		245,103
Goodwill — European Operations	—		—		—		—		28,481
Goodwill — Asia Pacific Operations	—		—		—		—		701
Total	$	—	$	—	$	—	$	—	$	274,285