Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and intangible assets

Goodwill and intangible assets consisted of the following:

(in thousands, except years)	Weighted- Average Amortization Period (in years)	Gross Amount		Accumulated Amortization			Intangible Assets, net
September 30, 2014:
Intangible Assets Subject to Amortization:
Purchased technology:
Developed technology	10	$	51,620	$	(26,342	)	$	25,278
Manufacturing know-how and trade secrets	12	21,918		(11,215		)	10,703
Trade name and trademarks	11	9,500		(4,056		)	5,444
Customer relationships	8	43,167		(23,022		)	20,145
Total intangible assets subject to amortization	10	$	126,205	$	(64,635	)	$	61,570
Intangible Assets Not Subject to Amortization:
In-process research and development							10,640
Goodwill							154,512
Total goodwill and intangible assets, net							$	226,722

	Weighted- Average Amortization Period (in years)	Gross Amount		Accumulated Amortization			Intangible Assets, net
December 31, 2013:
Intangible Assets Subject to Amortization:
Purchased technology:
Developed technology	10	$	62,328	$	(21,359	)	$	40,969
Manufacturing know-how and trade secrets	12	21,997		(9,890		)	12,107
Trade name and trademarks	11	9,500		(3,317		)	6,183
Customer relationships	8	43,871		(19,784		)	24,087
Total intangible assets subject to amortization	10	$	137,696	$	(54,350	)	$	83,346
Intangible Assets Not Subject to Amortization:
In-process research and development							10,640
Goodwill							154,944
Total goodwill and intangible assets, net							$	248,930

Future amortization expense related to intangible assets

Total future amortization expense related to intangible assets subject to amortization at September 30, 2014 is set forth in the table below:

(in thousands)
Remaining 2014	$	3,030
2015	11,707
2016	11,243
2017	8,892
2018	7,863
2019	6,509
Thereafter through 2026	12,326
Total future amortization expense	$	61,570