GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 31, 2012

Components of Goodwill and Other Intangible Assets

The components of goodwill and other intangible assets at December 31, 2012 and 2011 are presented below:

	December 31,
	2012		2011
Goodwill	$	364,328	$	356,657
Other intangible assets (net of accumulated amortization)		28,494		36,442
	$	392,822	$	393,099

Changes in the Carrying Amount of Goodwill

Changes in the carrying amount of goodwill for the years ended December 31, 2012, 2011 and 2010 are as follows:

	Year Ended December 31,
	2012		2011		2010
Balance, January 1	$	356,657	$	313,229	$	261,703
Business acquisitions, including, in the 2011 and 2010 periods, additional contingent consideration earned relating to prior year business acquisitions		4,272		42,566		41,174
Foreign currency translation adjustments		3,399		862		10,352
Balance, December 31	$	364,328	$	356,657	$	313,229

Gross Cost and Accumulated Amortization of Other Intangible Assets

The gross cost and accumulated amortization of other intangible assets as of December 31, 2012 and 2011, by major intangible asset category, are as follows:

	December 31, 2012						December 31, 2011
	Gross Cost		Accumulated Amortization		Net Carrying Amount		Gross Cost		Accumulated Amortization		Net Carrying Amount
Success/performance fees	$	30,740	$	10,678	$	20,062	$	30,740	$	7,122	$	23,618
Management fees, customer relationships and non-compete agreements		33,035		24,603		8,432		32,624		19,800		12,824
	$	63,775	$	35,281	$	28,494	$	63,364	$	26,922	$	36,442

Estimated Future Amortization Expense

Amortization expense of intangible assets for the years ended December 31, 2012, 2011 and 2010 was $8,359, $11,915 and $7,867, respectively. Estimated future amortization expense is as follows:

Year Ending December 31,	Amortization Expense (a)
2013	$	8,598
2014		8,277
2015		6,438
2016		5,181
Total amortization expense	$	28,494

(a) Approximately 45% of intangible asset amortization is attributable to a noncontrolling interest.