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Inventories
9 Months Ended
Sep. 30, 2021
Inventory Disclosure [Abstract]  
Inventories

Note 5. Inventories

Inventories consisted of the following:

 

  September 30, 2021 December 31, 2020
   
  U.S. $ in thousands
Finished goods $53,576  $61,297 
Work-in-process  3,734   3,163 
Raw materials  62,615   67,212 
 $119,925  $131,672