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Inventories
9 Months Ended
Sep. 25, 2021
Inventory Disclosure [Abstract]  
Inventories Inventories
 
The components of inventories at September 25, 2021 and December 26, 2020 are as follows:
 
(in thousands)September 25, 2021December 26, 2020
Raw materials$121,282 $85,394 
Work in process109,347 92,783 
Finished goods161,567 114,641 
Inventory Reserves(35,172)(34,816)
Total$357,024 $258,002