Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of changes in carrying amount of goodwill

The changes in the carrying amount of goodwill for the nine months ended September 30, 2015 are as follows (in thousands):

	2015
Goodwill balance at December 31, 2014	184,464
Effect of foreign exchange	(40		)
Additions as the result of acquisitions	60
Goodwill balance at September 30	$	184,484

Other intangible assets

Other intangible assets at September 30, 2015 and December 31, 2014, consisted of the following (in thousands):

	September 30, 2015
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Patents	$	11,484	$	(2,476	)	$	9,008
Distribution agreements	5,626		(2,705		)	2,921
License agreements	18,463		(2,271		)	16,192
Trademarks	7,268		(2,435		)	4,833
Covenants not to compete	1,029		(815		)	214
Customer lists	20,806		(14,572		)	6,234
Royalty agreements	267		(267		)	—
Total	$	64,943	$	(25,541	)	$	39,402

	December 31, 2014
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Patents	$	10,199	$	(2,196	)	$	8,003
Distribution agreements	5,376		(2,285		)	3,091
License agreements	8,995		(1,823		)	7,172
Trademarks	7,298		(2,079		)	5,219
Covenants not to compete	1,029		(636		)	393
Customer lists	20,452		(13,194		)	7,258
Royalty agreements	267		(267		)	—
Total	$	53,616	$	(22,480	)	$	31,136

Estimated amortization expense

Estimated amortization expense for the developed technology and other intangible assets for the next five years consists of the following as of September 30, 2015 (in thousands):

Year Ending December 31
Remaining 2015	$	4,446
2016	15,906
2017	15,274
2018	14,849
2019	14,527