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Other, Net (Tables)
 6 Months Ended
Jun. 30, 2017
Other Net [Abstract]  
Other, Net
The components of Other income, net for the three and six months ended June 30 were as follows:
 
Three months ended
 
Six months ended
In millions
2017

2016
 
2017
 
2016
Interest income
$
(0.2
)
 
$
(0.9
)
 
$
(0.3
)
 
$
(1.4
)
Exchange loss (gain)
0.4

 
(0.6
)
 
0.5

 
2.4

Earnings from and gains on the sale of equity investments
(5.2
)
 
(0.5
)
 
(4.6
)
 
(4.0
)
Other
(0.2
)
 
(6.6
)
 
(0.2
)
 
(14.4
)
Other income, net
$
(5.2
)
 
$
(8.6
)
 
$
(4.6
)
 
$
(17.4
)