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Other, Net (Tables)
 3 Months Ended
Mar. 31, 2013
Other Net [Abstract]  
Other, Net
The components of Other, net for the three months ended March 31 were as follows:
In millions
2013

2012
Interest income
$
3.5

 
$
4.7

Exchange gain (loss)
(6.9
)
 
(1.8
)
Earnings (loss) from equity investments
(4.2
)
 
(5.2
)
Other
0.6

 
2.1

Other, net
$
(7.0
)
 
$
(0.2
)