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Inventories, net
6 Months Ended
Jun. 30, 2020
Inventory Disclosure [Abstract]  
Inventories, net Inventories, net
In millionsJune 30, 2020December 31, 2019
Raw materials$49.8  $42.6  
Production materials, stores and supplies23.7  22.3  
Finished and in-process goods163.5  158.0  
Subtotal237.0  222.9  
Less: adjustment of inventories to LIFO basis(13.5) (10.4) 
Inventories, net$223.5  $212.5