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Inventories
12 Months Ended
Dec. 31, 2018
Inventory Disclosure [Abstract]  
Inventories

5    Inventories

Inventories are classified as follows (in thousands):

 

     December 31,  
     2018      2017  

Raw materials

   $ 111,641      $ 99,033  

Work in progress

     15,552        15,324  

Finished goods

     164,376        155,937  
  

 

 

    

 

 

 

Total inventories

   $ 291,569      $ 270,294  
  

 

 

    

 

 

 

During 2018, 2017 and 2016, the Company recorded inventory-related excess and obsolescence provisions of $8 million, $2 million and $9 million, respectively.