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Other, Net (Tables)
 3 Months Ended
Mar. 31, 2014
Other Net [Abstract]  
Other, Net
The components of Other, net for the three months ended March 31 were as follows:
 
Three months ended
In millions
2014

2013
Interest income
$
2.8

 
$
3.4

Exchange gain (loss)
(4.2
)
 
0.6

Earnings (loss) from equity investments
(3.0
)
 
(4.2
)
Other
6.6

 
0.7

Other, net
$
2.2

 
$
0.5