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OTHER INTANGIBLE ASSETS, NET
 3 Months Ended
Mar. 31, 2015
Intangible Assets, Net (Excluding Goodwill) [Abstract]  
OTHER INTANGIBLE ASSETS, NET
OTHER INTANGIBLE ASSETS, NET

The following tables present the cumulative composition of the Corporation’s intangible assets:
(In thousands)
 
March 31, 2015
 
December 31, 2014
 
 
Gross
 
Accumulated Amortization
 
Net
 
Gross
 
Accumulated Amortization
 
Net
Technology
 
$
172,885

 
$
(84,615
)
 
$
88,270

 
$
178,369

 
$
(84,584
)
 
$
93,785

Customer related intangibles
 
351,160

 
(125,151
)
 
226,009

 
356,844

 
(122,920
)
 
233,924

Other intangible assets
 
39,164

 
(16,436
)
 
22,728

 
38,460

 
(16,942
)
 
21,518

Total
 
$
563,209

 
$
(226,202
)
 
$
337,007

 
$
573,673

 
$
(224,446
)
 
$
349,227



During the first three months of 2015, the Corporation acquired intangible assets of $5.3 million; consisting of Customer related intangibles and Other intangibles of $3.7 million and $1.6 million, respectively.
Total intangible amortization expense for the three months ended March 31, 2015 was $8.6 million as compared to $10.3 million in the comparable prior year period.  The estimated amortization expense for the five years ending December 31, 2015 through 2019 is $33.9 million, $33.4 million, $32.3 million, $30.5 million, and $28.5 million, respectively.