Other Expense, Net (Tables)

9 Months Ended

Sep. 30, 2018

Other Income and Expenses [Abstract]

Schedule of Other Expense, Net

Included in other expense, net for the third quarter and September year to date 2018 and 2017 are the following: 

	Third Quarter						September Year to Date
	2018			2017			2018			2017
	(In millions of dollars)
Interest income	$	0.2		$	0.2		$	0.6		$	0.5
Interest expense	(0.7		)	(0.7		)	(2.3		)	(1.8		)
Dividend income	—			—			0.8			0.7
Foreign exchange gain (loss)	(0.2		)	0.1			(0.9		)	(1.9		)
Other expense, net	$	(0.7	)	$	(0.4	)	$	(1.8	)	$	(2.5	)