Facility Consolidation Costs (Tables)

12 Months Ended

Dec. 31, 2017

Restructuring and Related Activities [Abstract]

Schedule of Restructuring and Related Costs

	Employee Termination Costs			Facility Costs			Total Exit Costs
	(In millions )
Accrued exit costs at December 31, 2014	$	—		$	—		$	—
Charges	4.6			—			4.6
Payments	(1.1		)	—			(1.1		)
Accrued exit costs at December 31, 2015	3.5			—			3.5
Charges	1.6			2.9			4.5
Payments	(4.9		)	(2.5		)	(7.4		)
Accrued exit costs at December 31, 2016	0.2			0.4			0.6
Charges	—			—			—
Payments	(0.2		)	—			(0.2		)
Accrued exit costs at December 31, 2017	$	—		$	0.4		$	0.4