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Inventories, net
3 Months Ended
Mar. 31, 2015
Inventory Disclosure [Abstract]  
Inventories, net
Inventories, net

Inventories are valued at the lower of cost or market. The cost of U.S. inventories is determined by the last-in, first-out (“LIFO”) method, while the operations outside the U.S. use the first-in, first-out (“FIFO”) or average-cost methods. Inventories consisted of the following:
 
March 31,
 
December 31,
(in millions)
2015
 
2014
Raw material and supplies
$
321.7

 
$
319.5

Work in progress
83.1

 
89.0

Finished goods
119.3

 
115.5

FIFO inventories
524.1

 
524.0

LIFO reserve
(17.8
)
 
(18.3
)
Inventories, net
$
506.3

 
$
505.7