Other Finance Income (Costs) (Tables)

6 Months Ended

Jun. 30, 2020

Other Income and Expenses [Abstract]

Schedule of other finance income (costs)

	Three Months Ended June 30,						Six Months Ended June 30,
	2020			2019			2020			2019
	(in millions)						(in millions)
Pension interest cost	$	(0.5	)	$	(0.7	)	$	(1.1	)	$	(1.4	)
Expected return on pension plan assets		0.7			0.9			1.5			1.8
Foreign currency translation on senior bank debt		(2.7	)		(3.2	)		(6.6	)		(0.3	)
Foreign currency remeasurement on hedging instrument		—			2.1			—			0.2
	$	(2.5	)	$	(0.9	)	$	(6.2	)	$	0.3