OTHER INTANGIBLE ASSETS, NET

6 Months Ended

Jun. 30, 2012

Other Intangible Assets, Net [Abstract]

OTHER INTANGIBLE ASSETS, NET

6.       OTHER INTANGIBLE ASSETS, NET

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

The following tables present the cumulative composition of the Corporation's intangible assets and include $9.9 million of indefinite lived intangible assets within Other intangible assets for both periods presented.

	(In thousands)
June 30, 2012	Gross		Accumulated Amortization		Net
Technology	$	156,377	$	(70,407)	$	85,970
Customer related intangibles		223,474		(85,952)		137,522
Other intangible assets		44,728		(16,523)		28,205
Total	$	424,579	$	(172,882)	$	251,697
	(In thousands)
December 31, 2011	Gross		Accumulated Amortization		Net
Technology	$	155,406	$	(65,291)	$	90,115
Customer related intangibles		219,498		(77,945)		141,553
Other intangible assets		44,555		(14,775)		29,780
Total	$	419,459	$	(158,011)	$	261,448

During the first six months of 2012, the Corporation acquired intangible assets of $5.4 million. The Corporation acquired Technology of $2.5 million, Customer related intangibles of $2.8 million, and Other intangibles of $0.1, which have a weighted average amortization period of15, 18, and 10 years, respectively.

Total intangible amortization expense for the six months endedJune 30, 2012 was $15.1million as compared to $13.4million in the prior year period. The estimated amortization expense for the five years ending December 31, 2012 through 2016 is $27.8 million, $25.8 million, $24.0 million, $22.7 million, and $22.5 million, respectively.