Other Income/(Expense), Net

The components of Other income/(expense), net for the three and six months ended June 30 are as follows:



	Three months ended						Six months ended
In millions	2018			2017			2018			2017
Interest income	$	2.6		$	1.3		$	6.2		$	4.4
Exchange gain (loss)	(1.8		)	(3.4		)	(9.1		)	(1.5		)
Other components of net periodic benefit cost	(5.8		)	(6.2		)	(9.7		)	(14.4		)
Other activity, net	1.5			(3.2		)	5.1			(4.7		)
Other income/(expense), net	$	(3.5	)	$	(11.5	)	$	(7.5	)	$	(16.2	)

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 and defense of asbestos-related claims, insurance settlements on asbestos-related matters and the revaluation of asbestos recoveries. Refer to Note 19, "Commitments and Contingencies," for more information regarding asbestos-related matters.