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Inventories
6 Months Ended
Jun. 30, 2019
Inventories [Abstract]  
Inventories

Note 9 – Inventories

Inventory costs are summarized as follows:

 

 

June 30,

 

December 31,

(in thousands)

 

2019

 

 

2018

 

 

 

 

 

Raw materials

$

305,235

 

$

300,439

Work in process

 

6,631

 

 

7,321

Finished goods

 

4,371

 

 

2,215

 

$

316,237

 

$

309,975