Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the carrying amount of Goodwill

The changes in the carrying value of Goodwill for the six months ended June 30, 2017 were as follows:



	Goodwill			Accumulated Impairment Losses			Total
Balance as of December 31, 2016	$	58,397		$	(37,332	)	$	21,065
Additions	152,713			—			152,713
Purchase accounting adjustments	(2,048		)	—			(2,048		)
Foreign currency fluctuations	13,736			(2,216		)	11,520
Balance as of June 30, 2017	$	222,798		$	(39,548	)	$	183,250

Acquired Intangible Assets excluding Goodwill

The balances of acquired Intangible Assets, excluding Goodwill, as of June 30, 2017 and December 31, 2016, were as follows:



	Customer Lists			Trade Name			Technology			Noncompete Agreement			Total
Balance as of June 30, 2017
Original cost	$	136,503		$	33,954		$	5,247		$	3,424		$	179,128
Accumulated amortization	(8,697		)	(823		)	(2,982		)	(428		)	(12,930		)
Carrying value	$	127,806		$	33,131		$	2,265		$	2,996		$	166,198
Weighted average original life (in years)	15			11			14			2
Balance as of December 31, 2016
Original cost	$	8,016		$	2,000		$	5,136		$	—		$	15,152
Accumulated amortization	(5,948		)	—			(2,744		)	—			(8,692		)
Carrying value	$	2,068		$	2,000		$	2,392		$	—		$	6,460
Weighted average original life (in years)	15			15			13			0

Estimated aggregate amortization expense of Intangible Assets

Estimated aggregate amortization expense based on the current carrying value of amortizable Intangible Assets for each of the five succeeding years and thereafter is as follows:



Remaining 2017	$	7,043
2018	14,085
2019	12,801
2020	12,374
2021	12,374
Thereafter	107,521
Total	$	166,198