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Inventoried Costs (Tables)
6 Months Ended
Jun. 25, 2023
Inventory Disclosure [Abstract]  
Schedule of Inventoried Costs
Inventoried costs, consisted of the following components (in millions):
 
 June 25, 2023December 25, 2022
Raw materials$76.6 $73.6 
Work in process62.7 50.8 
Finished goods6.6 1.1 
Total inventoried costs$145.9 $125.5