December 31,

 

Average

 

 

 

2016

 

2015

 

Useful Life

 

 

 

(in thousands)

 

 

 

Land

 

$
5,669 

 

$
9,592 

 

N/A

 

Building and improvements

 
50,814 

 
54,622 

 

10-40 years

 

Machinery and equipment(1)

 
99,370 

 
110,075 

 

3-10 years

 

Leasehold improvements

 
3,652 

 
5,554 

 

3-7 years

 

 

 

 

 

 

 

 

 

Gross property, plant and equipment

 
159,505 

 
179,843 

 

 

 

Less: accumulated depreciation and amortization

 
98,859 

 
100,253 

 

 

 

 

 

 

 

 

 

 

 

Net property, plant and equipment

 

$
60,646 

 

$
79,590 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(1) Machinery and equipment also includes software, furniture and fixtures