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Inventories (Tables)
9 Months Ended
Sep. 30, 2021
Inventory, Net [Abstract]  
Schedule of components of inventories The components of inventories were as follows:
(in thousands)September 30, 2021December 31, 2020
  
Raw materials$59,609 $45,986 
Work-in-process24,617 20,374 
Finished goods174,258 143,513 
Inventories$258,484 $209,873