Restructuring Expenses and Repositioning Expenses (Tables)

3 Months Ended

Mar. 31, 2017

Restructuring and Related Activities [Abstract]

Schedule of restructuring expenses and asset impairments

The following table presents restructuring expenses by reportable segment for the three months endedMarch 31, 2017.

	Three Months Ended March 31,
(In millions)	2017		2016
Catalysts Technologies	$	0.4	$	0.5
Materials Technologies	0.3		7.9
Corporate	2.1		0.1
Total restructuring expenses	$	2.8	$	8.5

Schedule of restructuring liability

Restructuring Liability (In millions)	Total
Balance, December 31, 2016	$	9.6
Accruals for severance and other costs	2.5
Payments	(3.8		)
Balance, March 31, 2017	$	8.3