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Inventories, net
 12 Months Ended
Sep. 26, 2020
Inventory Disclosure [Abstract]  
Inventories, net Inventories, net
Inventories, net of allowance for obsolescence, consist of the following:
September 26, 2020September 28, 2019
(in thousands)
Raw materials$152,692 $145,331 
Work in progress49,312 51,154 
Finished goods218,847 255,870 
Supplies18,764 13,842 
Total inventories, net$439,615 $466,197