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Inventories
 9 Months Ended 12 Months Ended
Sep. 30, 2018
Dec. 31, 2017
Inventory, Net [Abstract]    
Inventories

NOTE 5 — INVENTORIES

Inventories consisted of the following:

 

(in thousands)    September 30,
2018		      December 31,
2017		  

Raw materials

    $ 48,735      $ 45,408  

Work in progress

      11,130        10,879  

Finished goods

      184,871        167,416  
  

 

 

     

 

 

  
     244,736        223,703  

LIFO and valuation adjustments

      (25,603 )       (22,112 ) 
  

 

 

     

 

 

  

Inventories, net

    $ 219,133      $ 201,591

5. Inventories

The components of inventories were as follows:

 

     December 31,
2017		      December 31,
2016		  

Raw materials

    $ 45,408      $ 45,209  

Work in progress

      10,879        10,321  

Finished goods

      167,416        153,040  
  

 

 

     

 

 

  

Subtotal

      223,703        208,570  

Less reserves

      (22,112 )       (24,012 ) 
  

 

 

     

 

 

  

Total

    $ 201,591      $ 184,558  
  

 

 

     

 

 

  

At December 31, 2017 and 2016, approximately 28% and 32%, respectively, of the Company’s total inventories were accounted for using the LIFO method.