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INVENTORIES
9 Months Ended
Sep. 30, 2019
Inventory Disclosure [Abstract]  
INVENTORIES INVENTORIES
Inventories are stated at the lower of cost and net realizable value. The cost of inventories determined by the last-in, first-out (“LIFO”) method at September 30, 2019 and December 31, 2018 were $8.0 million and $9.0 million, respectively. The cost of remaining inventories was determined by the first-in, first-out (“FIFO”) or average cost methods. If the FIFO method had been used to determine the cost of LIFO inventories, the amounts at which net inventories are stated would be higher than reported at September 30, 2019 and December 31, 2018 by $13.9 million and $10.2 million, respectively.

Inventories, net of inventory valuation reserves, were as follows:
(in millions)September 30, 2019December 31, 2018
Finished goods$385.7  $380.0  
Work-in-process84.0  89.2  
Raw materials and supplies135.4  129.7  
Inventories, net$605.1  $598.9  
The inventory valuation allowance was $85.9 million and $92.5 million at September 30, 2019 and December 31, 2018, respectively.