OTHER INTANGIBLE ASSETS, NET

3 Months Ended

Mar. 31, 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 20 years.

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)
March 31, 2012	Gross		Accumulated Amortization		Net
Technology	$	157,128	$	(68,163)	$	88,965
Customer related intangibles		222,571		(82,764)		139,807
Other intangible assets		44,814		(15,742)		29,072
Total	$	424,513	$	(166,669)	$	257,844
	(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 quarter of 2012, the Corporation acquired intangible assets of $1.9 million. The acquired intangible assets are Technology, and have a 15 year amortization period.

Total intangible amortization expense for the three months endedMarch 31, 2012 was $7.7million as compared to $6.5million in the prior year period. The estimated amortization expense for the five years ending December 31, 2012 through 2016 is $27.7 million, $25.7 million, $24.0 million, $22.8 million, and $22.5 million, respectively