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Inventories
3 Months Ended
Mar. 31, 2021
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories, net consisted of the following:
March 31,  December 31,  
(Amounts in thousands)20212020
Raw materials$322,707 $321,600 
Work in process233,795 210,174 
Finished goods204,604 221,532 
Less: Excess and obsolete reserve(88,983)(86,078)
Inventories, net$672,123 $667,228