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Other, Net (Tables)
 3 Months Ended
Mar. 31, 2017
Other Net [Abstract]  
Other, Net
The components of Other income/(expense), net for the three months ended March 31 are as follows:
 
Three months ended
In millions
2017
 
2016
Interest income
$
3.1

 
$
2.0

Exchange gain (loss)
1.9

 
5.5

Other components of net periodic benefit cost
(8.2
)
 
(8.1
)
Income (loss) from Hussmann equity investment
—

 
(0.8
)
Other activity, net
(1.5
)
 
3.3

Other income/(expense), net
$
(4.7
)
 
$
1.9