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Other Financial Statement Information (Tables)
 3 Months Ended
Mar. 31, 2018
Organization Consolidation And Presentation Of Financial Statements [Abstract]  
Inventories - Net

Inventories – net

 

 

 

March 31, 2018

 

 

December 31, 2017

 

Raw materials

 

$

42,503

 

 

$

42,712

 

Work-in-process

 

 

11,111

 

 

 

9,609

 

Finished Goods

 

 

37,966

 

 

 

33,780

 

 

 

 

91,580

 

 

 

86,101

 

Excess of current cost over LIFO cost

 

 

(3,228

)

 

 

(2,991

)

Noncurrent portion of inventory

 

 

(5,010

)

 

 

(5,224

)

 

 

$

83,342

 

 

$

77,886

 

 
Property, Plant and Equipment - Net

Major classes of Property, plant and equipment are stated at cost and were as follows:

 

 

 

March 31, 2018

 

 

December 31, 2017

 

Land and improvements

 

$

13,352

 

 

$

13,141

 

Buildings and improvements

 

 

76,823

 

 

 

75,941

 

Machinery, equipment and aircraft

 

 

172,213

 

 

 

166,999

 

Construction in progress

 

 

4,354

 

 

 

5,124

 

 

 

 

266,742

 

 

 

261,205

 

Less accumulated depreciation

 

 

(156,906

)

 

 

(152,607

)

 

 

$

109,836

 

 

$

108,598