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Inventories
3 Months Ended
Mar. 31, 2013
Inventory, Net [Abstract]  
Inventories
Inventories
Depending on the business, U.S. inventories are stated at the lower of cost or market using the last-in, first-out (LIFO) method or the lower of cost or market using the first-in, first-out (FIFO) method. Non-U.S. inventories are primarily stated at the lower of cost or market using the FIFO method.
The major classes of inventory were as follows:
In millions
March 31,
2013
 
December 31,
2012
Raw materials
$
503.9

 
$
501.9

Work-in-process
146.7

 
109.6

Finished goods
918.4

 
800.2

 
1,569.0

 
1,411.7

LIFO reserve
(102.7
)
 
(102.9
)
Total
$
1,466.3

 
$
1,308.8