GOODWILL AND INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 31, 2012

GOODWILL AND INTANGIBLE ASSETS

Schedule of changes in the carrying amount of the Company's goodwill

	December 31,2011		Goodwillacquired		Adjustments			Foreign currency translation		December 31,2012
Goodwill
Americas Brokerage	$	83,289	$	—	$	—		$	—	$	83,289
EMEA Brokerage	13,851		—		—			546		14,397
Asia Brokerage	—		—		—			—		—
Clearing and Backed Trading	40,675		—		(945		)	1,870		41,600
All Other	128,691		—		—			—		128,691
	$	266,506	$	—	$	(945	)	$	2,416	$	267,977

	December 31,2010		Goodwillacquired		Adjustments			Foreign currency translation			December 31,2011
Goodwill
Americas Brokerage	$	83,289	$	—	$	—		$	—		$	83,289
EMEA Brokerage	13,895		—		—			(44		)	13,851
Asia Brokerage	—		—		—			—			—
Clearing and Backed Trading	42,413		—		(1,546		)	(192		)	40,675
All Other	128,691		—		—			—			128,691
	$	268,288	$	—	$	(1,546	)	$	(236	)	$	266,506

Schedule of intangible assets

	December 31, 2012						December 31, 2011
	Gross amount		Accumulated amortization and foreign currency translation		Net carrying value		Gross amount		Accumulated amortization and foreign currency translation		Net carrying value
Amortized intangible assets:
Customer relationships	$	77,426	$	35,597	$	41,829	$	77,151	$	27,606	$	49,545
Trade names	8,951		6,181		2,770		8,951		5,719		3,232
Core technology	6,400		5,835		565		6,400		4,777		1,623
Non-compete agreements	3,874		3,656		218		3,874		3,463		411
Favorable lease agreements	620		500		120		620		420		200
Patents	3,131		723		2,408		3,131		225		2,906
Licenses	537		65		472		—		—		—
Unamortized intangible assets:
Proprietary knowledge	110		—		110		110		—		110
Total	$	101,049	$	52,557	$	48,492	$	100,237	$	42,210	$	58,027

Schedule of expected amortization expense for the definite lived intangible assets

2013	$	9,465
2014	8,714
2015	8,618
2016	6,592
2017	3,204
Thereafter	11,789
Total	$	48,382