Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2017

Goodwill And Intangible Assets Disclosure [Abstract]

Components of Goodwill and Other Intangible Assets

The components of goodwill and other intangible assets at September 30, 2017 and December 31, 2016 are presented below:

	September 30,		December 31,
	2017		2016
Goodwill	$	385,486	$	373,117
Other intangible assets (net of accumulated amortization)		6,582		8,907
	$	392,068	$	382,024

Changes in Carrying Amount of Goodwill

Changes in the carrying amount of goodwill for the nine month periods ended September 30, 2017 and 2016 are as follows:

	Nine Months Ended
	September 30,
	2017		2016
Balance, January 1	$	373,117	$	320,761
Business acquisitions (see Note 10)		-		20,377
Foreign currency translation adjustments		12,369		4,906
Balance, September 30	$	385,486	$	346,044

Gross Cost and Accumulated Amortization of Other Intangible Assets

The gross cost and accumulated amortization of other intangible assets as of September 30, 2017 and December 31, 2016, by major intangible asset category, are as follows:

	September 30, 2017						December 31, 2016
	Gross Cost		Accumulated Amortization		Net Carrying Amount		Gross Cost		Accumulated Amortization		Net Carrying Amount
Success/performance fees	$	35,441	$	29,303	$	6,138	$	35,259	$	26,984	$	8,275
Management fees, customer relationships    and non-compete agreements		33,751		33,307		444		33,728		33,096		632
	$	69,192	$	62,610	$	6,582	$	68,987	$	60,080	$	8,907

Estimated Future Amortization Expense

Estimated future amortization expense is as follows:

Year Ending December 31,	Amortization Expense (a)
2017 (October 1 through December 31)	$	494
2018		5,953
2019		79
2020		56
Total amortization expense	$	6,582

(a) Approximately 32% of intangible asset amortization is attributable to a noncontrolling interest.