Interest and Other Income (Expense), Net (Tables)

12 Months Ended

Dec. 31, 2017

Interest and Other Income (Expense), Net

Components of interest and other income (expense), net

        The components of interest and other income (expense), net for the years ended December 31, 2017, 2016 and 2015, were as follows (in millions):

	2017			2016			2015
Interest income	$	0.8		$	0.3		$	1.2
Interest expense		(15.4	)		(13.2	)		(13.0	)
Exchange gains (losses) on foreign currency transactions		(5.5	)		4.1			(5.5	)
Gain on bargain purchase		0.6			9.2			—
(Loss) gain on disposal of product line		—			—			(0.2	)
Other		2.6			—			(0.2	)
Interest and other income (expense), net	$	(16.9	)	$	0.4		$	(17.7	)