INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 31, 2015

INTANGIBLE ASSETS

Schedule of carrying amount of intangible assets, net of accumulated amortization and impairment charges

	2015
	Gross
	Carrying				Accumulated		Currency		Net Book
	Amount		Acquisitions		Amortization		impact		Value
Amortizable intangibles:
Customer relationships	$	53,466	$	984	$	(41,893)	$	(159)	$	12,398
Noncompete agreements		5,665		5		(5,663)		—		7
Software		1,583		—		(1,501)		(49)		33
Backlog		5,002		—		(4,975)		(27)		—
Databases		5,444		—		(4,420)		(108)		916
Trademark and trade names		1,250		—		(744)		—		506
Intangibles	$	72,410	$	989	$	(59,196)	$	(343)	$	13,860

	2014
	Gross
	Carrying				Accumulated		Currency		Net Book
	Amount		Acquisitions		Amortization		impact		Value
Amortizable intangibles:
Customer relationships	$	52,140	$	1,326	$	(37,091)	$	(108)	$	16,267
Noncompete agreements		5,665		—		(5,633)		—		32
Software		1,500		83		(1,502)		(18)		63
Backlog		4,880		122		(4,971)		(14)		17
Databases		4,949		495		(4,111)		(62)		1,271
Trademark and trade names		1,250		—		(565)		—		685
Intangibles	$	70,384	$	2,026	$	(53,873)	$	(202)	$	18,335

Schedule of estimated future amortization expense

2016	$	4,839
2017		4,469
2018		1,296
2019		1,089
2020		1,069
Thereafter		1,098
	$	13,860