Restructuring Expenses and Repositioning Expenses (Tables)

6 Months Ended

Jun. 30, 2019

Restructuring and Related Activities [Abstract]

Schedule of restructuring expenses and asset impairments

The following table presents restructuring expenses by reportable segment for the three and six months ended June 30, 2019 and 2018.

	Three Months Ended June 30,					Six Months Ended June 30,
(In millions)	2019			2018		2019			2018
Catalysts Technologies	$	1.9		$	1.0	$	2.1		$	1.5
Materials Technologies	0.2			—		1.2			0.4
Corporate	(0.2		)	—		(0.3		)	0.1
Total restructuring expenses	$	1.9		$	1.0	$	3.0		$	2.0

Schedule of restructuring liability

The following table presents components of the change in the restructuring liability from December 31, 2018, to June 30, 2019.

	(In millions)
Balance, December 31, 2018	$	10.7
Accruals for severance and other costs	3.0
Payments	(6.3		)
Balance, June 30, 2019	$	7.4