Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill / Tradename

(Table only in thousands)	Nine months ended September 30, 2015						Year ended December 31, 2014
Goodwill / Tradename	Goodwill			Tradename			Goodwill			Tradename
Beginning balance	$	167,547		$	19,766		$	134,062		$	18,419
Acquisitions and related adjustments		65,687			10,750			34,638			1,730
Foreign currency translation		(994	)		(267	)		(1,153	)		(383	)
	$	232,240		$	30,249		$	167,547		$	19,766

Intangible Assets - Finite Life

(Table only in thousands)	As of September 30, 2015				As of December 31, 2014
Intangible assets – finite life	Cost		Accum. Amort.		Cost		Accum. Amort.
Patents	$	1,456	$	1,455	$	1,429	$	1,427
Employment agreements		653		572		693		433
Technology		15,583		3,222		8,317		2,290
Customer lists		79,104		15,355		58,617		8,959
Noncompetition agreements		1,111		201		1,118		34
Tradename		1,390		127		1,390		23
Backlog		6,120		510		—		—
	$	105,417	$	21,442	$	71,564	$	13,166

Summary of Finite Lived Intangible Assets Activities

Activity for the nine months ended September 30, 2015 and 2014 is as follows:

(Table only in thousands)	2015			2014
Intangible assets – finite life, net at beginning of period	$	58,398		$	46,611
Amortization expense		(8,513	)		(5,342	)
Acquisitions/purchase accounting adjustments		34,900			—
Foreign currency adjustments		(810	)		(870	)
Intangible assets – finite life, net at end of period	$	83,975		$	40,399