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Inventories
3 Months Ended
Mar. 31, 2012
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,
2012
 
December 31,
2011
Raw materials
$
531.0

 
$
479.2

Work-in-process
143.5

 
114.4

Finished goods
859.7

 
791.1

 
1,534.2

 
1,384.7

LIFO reserve
(101.6
)
 
(102.7
)
Total
$
1,432.6

 
$
1,282.0