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Other, Net
 12 Months Ended
Dec. 31, 2019
Other Net [Abstract]  
Other, Net
The components of Other income/(expense), net for the years ended December 31, 2019, 2018 and 2017 are as follows:
In millions
 
2019
 
2018
 
2017
Interest income
 
$
3.1

 
$
6.4

 
$
9.4

Foreign currency exchange gain (loss)
 
(12.3
)
 
(17.6
)
 
(8.8
)
Other components of net periodic benefit cost
 
(39.3
)
 
(21.9
)
 
(31.0
)
Other activity, net
 
15.5

 
(3.3
)
 
(1.2
)
Other income/(expense), net
 
$
(33.0
)
 
$
(36.4
)
 
$
(31.6
)

Other income /(expense), net includes the results from activities other than normal business operations such as interest income and foreign currency gains and losses on transactions that are denominated in a currency other than an entity’s functional currency. In addition, the Company includes the components of net periodic benefit cost for pension and post retirement obligations other than the service cost component. Other activity, net includes items associated with Trane U.S. Inc. for the settlement of asbestos-related claims, insurance settlements on asbestos-related matters and the revaluation of its liability for potential future claims and recoveries. Refer to Note 22, "Commitments and Contingencies," for more information regarding asbestos-related matters.