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Inventories, net (Tables)
12 Months Ended
Dec. 31, 2022
Inventory Disclosure [Abstract]  
Schedule of Inventory
December 31,
In millions20222021
Raw materials$106.7 $48.8 
Production materials, stores and supplies27.9 26.8 
Finished and in-process goods228.2 183.4 
  Subtotal$362.8 $259.0 
Less: LIFO reserve(27.8)(17.8)
  Inventories, net$335.0 $241.2