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Other, Net (Tables)
 6 Months Ended
Jun. 30, 2011
Other Net [Abstract]  
Other, Net
The components of Other, net for the three and six months ended June 30 are as follows:
 
Three months ended
 
Six months ended
In millions
2011
 
2010
 
2011
 
2010
Interest income
$
6.6


 
$
4.9


 
$
11.7


 
$
7.5


Exchange gain (loss)
(5.4
)
 
0.1


 
(5.1
)
 
—


Other
3.3


 
3.4


 
3.1


 
6.7


Other, net
$
4.5


 
$
8.4


 
$
9.7


 
$
14.2