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Inventories
12 Months Ended
Dec. 31, 2019
Inventories [Abstract]  
Inventories

Note 4—Inventories

 

Inventory costs are summarized as follows:

 

 

 

December 31,

(in thousands)

 

2019

 

 

2018

 

 

 

 

 

 

 

 

Raw materials

$

304,069

 

$

300,439

 

Work in process

 

8,282

 

 

7,321

 

Finished goods

 

2,605

 

 

2,215

 

 

$

314,956

 

$

309,975