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INVENTORIES (Tables)
 6 Months Ended
Jun. 30, 2014
Inventory Disclosure [Abstract]  
Inventories Table
Inventories consisted of the following:
 
June 30,
2014
 
December 31,
2013
 
June 30,
2013
 
($ in millions)
Supplies
$
43.1

 
$
40.5

 
$
40.8

Raw materials
75.6

 
76.5

 
73.1

Work in process
35.5

 
26.4

 
28.5

Finished goods
142.8

 
115.9

 
141.6

 
297.0

 
259.3

 
284.0

LIFO reserve
(76.1
)
 
(72.8
)
 
(79.2
)
Inventories, net
$
220.9

 
$
186.5

 
$
204.8