Cost Reduction Plan (Tables)

12 Months Ended

Dec. 31, 2017

Restructuring and Related Activities [Abstract]

Summary of the CIP Reserve Activity

A summary of the Company's severance and retention liabilities related to Phase I and II activity is shown below:

	Severance			Retention			Total
	(In millions)
November 30, 2014	$	—		$	—		$	—
Accrual established	12.9			2.7			15.6
Payments	(1.8		)	—			(1.8		)
November 30, 2015	11.1			2.7			13.8
Accrual	(0.2		)	0.2			—
Payments	—			(1.2		)	(1.2		)
December 31, 2015	10.9			1.7			12.6
Accrual	—			2.3			2.3
Payments	(0.9		)	(1.9		)	(2.8		)
Adjustments	(3.2		)	—			(3.2		)
December 31, 2016	6.8			2.1			8.9
Accrual	26.1			2.2			28.3
Payments	(2.9		)	(0.9		)	(3.8		)
December 31, 2017	$	30.0		$	3.4		$	33.4