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Inventories
9 Months Ended
Sep. 28, 2019
Inventory Disclosure [Abstract]  
Inventories Inventories
 
The components of inventories at September 28, 2019 and December 29, 2018 are as follows:
 
(in thousands)
 
September 28, 2019
 
December 29, 2018
Raw materials
 
$
71,327

 
$
69,883

Work in process
 
78,022

 
88,505

Finished goods
 
90,710

 
99,840

Total
 
$
240,059


$
258,228