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Inventories (Tables)
9 Months Ended
Sep. 30, 2019
Inventory Disclosure [Abstract]  
Schedule of inventory Net inventories consist of the following:
(in thousands)
September 30, 2019December 31, 2018
Finished goods
$173,994  $149,298  
Work in process
18,415  12,732  
Raw materials
14,107  14,600  
Inventories, net$206,516  $176,630