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Inventoried Costs (Tables)
3 Months Ended
Mar. 31, 2024
Inventory Disclosure [Abstract]  
Schedule of Inventoried Costs
Inventoried costs, consisted of the following components (in millions):
 
 March 31, 2024December 31, 2023
Raw materials$79.0 $78.0 
Work in process77.4 72.9 
Finished goods3.4 5.3 
Total inventoried costs$159.8 $156.2