Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the carrying amount of Goodwill

The changes in the carrying amount of Goodwill are as follows:

	Goodwill		Accumulated Impairment Losses			Total
Balance as of December 31, 2011	$	66,523	$	(46,220	)	$	20,303
Foreign currency fluctuations	2,062		(2,648		)	(586		)
Balance as of December 31, 2012	$	68,585	$	(48,868	)	$	19,717
Foreign currency fluctuations	321		(1,109		)	(788		)
Balance as of December 31, 2013	$	68,906	$	(49,977	)	$	18,929

Acquired Intangible Assets excluding Goodwill

The balances of acquired Intangible Assets, excluding Goodwill, as of December 31, are as follows:

	Customer Lists and Service Contracts			Trade Name			Technology			Total
Balance as of December 31, 2013
Original cost	$	23,763		$	4,836		$	7,347		$	35,946
Accumulated amortization	(11,609		)	(1,976		)	(3,333		)	(16,918		)
Carrying amount	$	12,154		$	2,860		$	4,014		$	19,028
Weighted-average original life (in years)	15			14			13
Balance as of December 31, 2012
Original cost	$	23,817		$	4,657		$	7,197		$	35,671
Accumulated amortization	(9,907		)	(1,565		)	(2,806		)	(14,278		)
Carrying amount	$	13,910		$	3,092		$	4,391		$	21,393
Weighted-average original life (in years)	15			14			13

Estimated aggregate amortization expense of Intangible Assets

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

2014	$	2,387
2015	2,204
2016	1,871
2017	1,768
2018	1,761
Thereafter	9,037
Total	$	19,028