Restructuring, Asset Impairments and Other Charges, net (Tables)

12 Months Ended

Dec. 31, 2022

Summary of Restructuring, Asset Impairments and Other, Net

Details of restructuring, asset impairments and other charges, net are as follows (in millions):


	Restructuring		Asset Impairments (3)		Other			Total
Year Ended December 31, 2022
QCS wind down	12.6		18.6		18.9		(2)	50.1

Other (1)	(1.4)		4.0		(34.8)			(32.2)
Total	$	11.2	$	22.6	$	(15.9)		$	17.9
Year Ended December 31, 2021

2021 Involuntary separation program	65.3		—		—			65.3

Other	2.2		3.3		0.6			6.1
Total	$	67.5	$	3.3	$	0.6		$	71.4
Year Ended December 31, 2020
Voluntary separation program	$	27.5	$	—	$	—		$	27.5
General workforce reduction	12.3		—		—			12.3
2020 Involuntary separation program	11.8		—		—			11.8
Other	$	—	$	17.5	$	(3.9)		$	13.6
Total	$	51.6	$	17.5	$	(3.9)		$	65.2

_______________________

(1)Primarily includes a gain of approximately $34.8 million related to the sale of two office buildings and the sale of the corporate headquarters, and a $1.4 million reduction in workforce restructuring expense offset by a $4.0 million asset impairment of the GTAT Sapphire business, and approximately $0.5 million related to litigation charges.

(2)Primarily relates to contract cancellation charges of approximately $15.4 million and legal charges of $3.5 million.

(3)During the year ended December 31, 2020, asset impairment charges related to a) property, plant and equipment amounting to $9.1 million b) investments in certain entities where the Company does not exert a significant influence amounting to $7.0 million and c) lease right-of-use assets of $1.4 million.

Rollforward of Accrued Restructuring Charges

Summary of changes in accrued restructuring charges are as follows (in millions):


	Estimated employee separation charges		Total
Balance as of December 31, 2020	$	6.2	$	6.2
Charges	67.5		67.5
Usage	(62.9)		(62.9)
Balance as of December 31, 2021	$	10.8	$	10.8
Charges	11.2		11.2
Usage	(17.6)		(17.6)
Balance as of December 31, 2022	$	4.4	$	4.4