Other Finance Income (Expense) (Tables)

9 Months Ended

Sep. 30, 2020

Other Income and Expenses [Abstract]

Schedule of other finance income (Expense)

	Three Months Ended September 30,						Nine Months Ended September 30,
	2020			2019			2020			2019
	(in millions)						(in millions)
Pension interest cost	$	(0.5	)	$	(0.6	)	$	(1.6	)	$	(2.0	)
Expected return on pension plan assets		0.8			0.9			2.3			2.7
Foreign currency translation on senior bank debt		—			(4.5	)		(6.6	)		(4.8	)
Foreign currency remeasurement on hedging instrument		—			3.0			—			3.2
	$	0.3		$	(1.2	)	$	(5.9	)	$	(0.9	)