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Property, Plant and Equipment (Tables)
12 Months Ended
Dec. 31, 2017
Property Plant And Equipment [Abstract]  
Schedule of Property, Plant and Equipment

 

 

 

2017

 

 

2016

 

Land and land improvements

 

$

12,172

 

 

$

11,747

 

Buildings

 

 

68,572

 

 

 

66,017

 

Machinery and equipment

 

 

340,396

 

 

 

323,684

 

Construction-in-process

 

 

5,019

 

 

 

2,595

 

Other

 

 

7,193

 

 

 

7,495

 

 

 

 

433,352

 

 

 

411,538

 

Accumulated depreciation

 

 

(218,372

)

 

 

(197,130

)

Property, plant and equipment, net

 

$

214,980

 

 

$

214,408