Restructuring and Other Items, net (Tables)

6 Months Ended

Jun. 30, 2019

Restructuring and Other Items, net [Abstract]

Schedule of Restructuring Charges

The following table outlines the amount of restructuring charges recorded within the Consolidated Statements of Income and the segments they relate to for the three months ended June 30, 2019:

(millions of dollars)	June 30, 2019
Impairment of assets
Performance Materials	$	4.2
Specialty Minerals		1.6
Energy Services		1.7
Total impairment of assets charges	$	7.5
Severance and other related costs
Performance Materials	$	2.8
Specialty Minerals		0.9
Refractories		0.8
Energy Services		0.1
Corporate		1.1
Total severance and other related costs	$	5.7
Total restructuring and other items, net	$	13.2

Reconciliation of Restructuring Liability

The following table is a reconciliation of our restructuring liability balance as of June 30, 2019:

(millions of dollars)
Restructuring liability, December 31, 2018	$	2.5
Additional provisions		5.7
Cash payments		(1.1	)
Restructuring liability, June 30, 2019	$	7.1