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Property, Plant and Equipment
12 Months Ended
Dec. 31, 2016
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
6.
Property, Plant and Equipment

  
December 31,
 
  
2016
  
2015
 
  
(In thousands)
 
Land, buildings and improvements
 
$
46,447
  
$
45,655
 
Machinery and equipment
  
128,650
   
131,959
 
Tools, dies and auxiliary equipment
  
44,683
   
43,044
 
Furniture and fixtures
  
27,482
   
25,287
 
Leasehold improvements
  
8,369
   
7,761
 
Construction-in-progress
  
14,419
   
9,253
 
Total property, plant and equipment
  
270,050
   
262,959
 
Less accumulated depreciation
  
191,551
   
194,077
 
Total property, plant and equipment, net
 
$
78,499
  
$
68,882
 

Depreciation expense was $12.8 million in 2016, $12.1 million in 2015 and $11.8 million 2014.