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Inventory
12 Months Ended
Dec. 31, 2022
Inventory Disclosure [Abstract]  
Inventory Disclosure
5.    INVENTORY

Following are the components of Inventory at December 31, 2022 and December 31, 2021 (in millions):

December 31, 2022December 31, 2021
Inventory:
  Raw materials228.8 116.9 
  Work in process220.9 198.0 
  Finished goods 269.6 257.3 
      Total Inventory$719.3 $572.2