OTHER INTANGIBLE ASSETS, NET

12 Months Ended

Dec. 31, 2014

Intangible Assets, Net (Excluding Goodwill) [Abstract]

OTHER INTANGIBLE ASSETS, NET

8. OTHER INTANGIBLE ASSETS, NET

Intangible assets are generally the result of acquisitions and consist primarily of purchased technology, customer related intangibles, and trademarks. Intangible assets are amortized over useful lives that generally range between 1 and 20 years.

The following table summarizes the intangible assets acquired (including their weighted-average useful lives) by the Corporation during 2014 and 2013. No indefinite lived intangible assets were acquired in 2014 or 2013.

	2014			2013
(In thousands, except years data)	Amount		Years	Amount		Years
Technology	$	100	5.0	$	21,101	13.5
Customer related intangibles	13,200		13.6	73,146		16.9
Other intangible assets	200		1.0	8,504		3.3
Total	$	13,500	13.3	$	102,751	15.1

The following tables present the cumulative composition of the Corporation’s intangible assets as of December 31, 2014 and December 31, 2013, respectively.

	2014							2013
(In thousands)	Gross		Accumulated Amortization			Net		Gross		Accumulated Amortization			Net
Technology	$	178,369	$	(84,584	)	$	93,785	$	213,888	$	(88,644	)	$	125,244
Customer related intangibles	356,844		(122,920		)	233,924		430,604		(127,194		)	303,410
Other intangible assets	38,460		(16,942		)	21,518		66,436		(23,711		)	42,725
Total	$	573,673	$	(224,446	)	$	349,227	$	710,928	$	(239,549	)	$	471,379

Amortization expense from continuing operations for the years ended December 31, 2014, 2013, and 2012 were $38.3 million, $39.0 million, and $24.9 million, respectively. The estimated future amortization expense of intangible assets over the next five years is as follows:

(In thousands)
2015	$	34,766
2016	34,264
2017	33,775
2018	32,680
2019	30,848