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INVENTORIES (Tables)
6 Months Ended
Jun. 30, 2020
Inventory Disclosure [Abstract]  
Inventories Table
Inventories consisted of the following:
 
June 30, 2020
 
December 31,
2019
 
June 30, 2019
 
($ in millions)
Supplies
$
81.0

 
$
80.5

 
$
74.6

Raw materials
74.3

 
74.9

 
73.1

Work in process
114.9

 
140.3

 
140.6

Finished goods
392.7

 
449.5

 
469.8

 
662.9

 
745.2

 
758.1

LIFO reserve
(43.8
)
 
(49.5
)
 
(59.2
)
Inventories, net
$
619.1

 
$
695.7

 
$
698.9