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Inventoried Costs
9 Months Ended
Sep. 27, 2020
Inventory Disclosure [Abstract]  
Inventoried Costs Inventoried Costs
 
Inventoried costs, consisted of the following components (in millions):
 
 September 27, 2020December 29, 2019
Raw materials$46.5 $39.1 
Work in process27.6 20.3 
Finished goods4.2 1.7 
Total inventoried costs$78.3 $61.1