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Property, Plant and Equipment (Tables)
6 Months Ended
Jun. 30, 2020
Property Plant And Equipment [Abstract]  
Property, Plant and Equipment

At June 30, 2020 and December 31, 2019, property, plant and equipment consisted of the following:

 

 

 

June 30,

 

 

December 31,

 

(In thousands)

 

2020

 

 

2019

 

Land

 

$

4,575

 

 

$

4,575

 

Building and land improvements

 

 

34,897

 

 

 

34,797

 

Building

 

 

68,155

 

 

 

68,157

 

Furniture and fixtures

 

 

19,972

 

 

 

19,959

 

Computer hardware and software

 

 

69,564

 

 

 

68,777

 

Engineering and other equipment

 

 

131,785

 

 

 

130,430

 

Total property, plant and equipment

 

 

328,948

 

 

 

326,695

 

Less: accumulated depreciation

 

 

(263,754

)

 

 

(258,609

)

Total property, plant and equipment, net

 

$

65,194

 

 

$

68,086