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Inventories (Tables)
9 Months Ended
Sep. 30, 2020
Inventory Disclosure [Abstract]  
Schedule of Inventories
September 30,
2020
December 31,
2019
 (in millions)
Finished products$56.6 $80.6 
Work in process23.1 23.7 
Raw materials and supplies48.7 56.1 
128.4 160.4 
Reserve to reduce certain inventories to LIFO basis(3.6)(3.3)
Total inventories$124.8 $157.1