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Inventories, net (Tables)
3 Months Ended
Mar. 31, 2023
Inventory Disclosure [Abstract]  
Schedule of Inventory
In millionsMarch 31, 2023December 31, 2022
Raw materials$111.8 $106.7 
Production materials, stores, and supplies28.9 27.9 
Finished and in-process goods270.8 228.2 
Subtotal$411.5 $362.8 
Less: LIFO reserve(50.1)(27.8)
Inventories, net$361.4 $335.0