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Inventoried Costs (Details) - USD ($)
$ in Millions
Sep. 25, 2022
Dec. 26, 2021
Inventory Disclosure [Abstract]    
Raw materials $ 69.2 $ 58.5
Work in process 48.5 28.5
Finished goods 2.6 4.7
Inventoried costs $ 120.3 $ 91.7