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Inventories
12 Months Ended
Dec. 31, 2018
Inventories [Abstract]  
Inventories

Note 4—Inventories

Inventory costs are summarized as follows:

December 31,
(in thousands)20182017
(as adjusted)
Raw materials$300,439$258,228
Work in process7,3218,600
Finished goods2,2152,089
$309,975$268,917