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Inventories
 12 Months Ended
Dec. 31, 2019
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories are stated at the lower of cost or net realizable value. Finished goods and work-in-process inventories include material, labor and manufacturing overhead costs.
(amounts in thousands)
December 31,
2019
 
December 31,
2018
Raw materials
$
372,289

 
$
370,124

Work in process
38,432

 
39,127

Finished goods
94,357

 
99,248

Total inventories
$
505,078

 
$
508,499


The prior period information has been revised. Please refer to Note 32 - Revision of Prior Period Financial Statements.