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Property, Plant and Equipment
12 Months Ended
Dec. 31, 2017
Property Plant And Equipment [Abstract]  
Property, Plant and Equipment

Note 7 – Property, Plant and Equipment

At December 31, 2017 and 2016, property, plant and equipment were comprised of the following:

 

(In thousands)

 

2017

 

 

2016

 

Land

 

$

4,575

 

 

$

4,575

 

Building and land improvements

 

 

32,470

 

 

 

29,229

 

Building

 

 

68,301

 

 

 

68,301

 

Furniture and fixtures

 

 

19,489

 

 

 

18,477

 

Computer hardware and software

 

 

90,726

 

 

 

87,655

 

Engineering and other equipment

 

 

123,363

 

 

 

118,746

 

Total Property, Plant and Equipment

 

 

338,924

 

 

 

326,983

 

Less accumulated depreciation

 

 

(253,845

)

 

 

(242,514

)

Total Property, Plant and Equipment, net

 

$

85,079

 

 

$

84,469

 

 

Depreciation expense was $12.8 million, $12.0 million and $12.3 million in 2017, 2016, and 2015, respectively.