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Intangible assets, net (Tables)
 6 Months Ended
Jun. 30, 2018
Intangible Assets, Net (Excluding Goodwill) [Abstract]  
Schedule of Finite-Lived Intangible Assets
Intangible assets at June 30, 2018 and December 31, 2017 are as follows:


 
June 30, 2018
 
 
(In thousands)
 
(Unaudited)
 
December 31, 2017

 
Gross Carrying Amount
 
Accumulated Amortization
 
Net Carrying Amount
 
Gross Carrying Amount
 
Accumulated Amortization
 
Net Carrying Amount
Capitalized software development costs
 
$
121,954

 
$
(36,684
)
 
$
85,270

 
$
116,691

 
$
(30,345
)
 
$
86,346

Acquired technology
 
95,776

 
(88,842
)
 
6,934

 
96,198

 
(87,341
)
 
8,857

Patents
 
33,733

 
(20,865
)
 
12,868

 
33,163

 
(19,931
)
 
13,232

Other
 
49,753

 
(33,555
)
 
16,198

 
45,565

 
(30,707
)
 
14,858


 
$
301,216

 
$
(179,946
)
 
$
121,270

 
$
291,617

 
$
(168,324
)
 
$
123,293