Restructuring and Other Items, net (Tables)

9 Months Ended

Sep. 27, 2020

Restructuring and Other Items, net [Abstract]

Restructuring Charges by Segment

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 and nine-months ending September 27, 2020 and September 29, 2019:

	Three Months Ended				Nine Months Ended
(millions of dollars)	Sep. 27, 2020		Sep. 29, 2019		Sep. 27, 2020		Sep. 29, 2019
Asset Write-Downs
Performance Materials	$	—	$	—	$	—	$	4.2
Specialty Minerals		1.1		—		7.1		1.6
Energy Services		—		—		—		1.7
Total charge for asset write-down	$	1.1	$	—	$	7.1	$	7.5
Severance and other related costs
Performance Materials	$	—	$	—	$	—	$	2.8
Specialty Minerals		0.3		—		0.6		0.9
Refractories		—		—		—		0.8
Energy Services		—		—		—		0.1
Corporate		—		—		—		1.1
Total severance and other related costs	$	0.3	$	—	$	0.6	$	5.7
Other
Corporate	$	0.1	$	—	$	0.3	$	—
Total restructuring and other items, net	$	1.5	$	—	$	8.0	$	13.2

Reconciliation of Restructuring Liability

The following table is a reconciliation of our restructuring liability balance as of September 27, 2020:

(millions of dollars)
Restructuring liability, December 31, 2019	$	5.0
Additional provision		0.3
Cash payments		(1.2	)
Restructuring liability, September 27, 2020	$	4.1