Restructuring and Other Impairment Activities (Tables)

12 Months Ended

Dec. 31, 2023

The following table summarizes total restructuring, restructuring related, and other impairment expense (in millions):


	Years Ended December 31,
	2023		2022		2021
Restructuring and other impairment expense:
Severance	$	0.1	$	1.8	$	0.3

Asset impairment	18.6		14.0		1.6
Other	3.9		3.3		—
Total restructuring and other impairment expense	$	22.6	$	19.1	$	1.9
Other restructuring related charges - Cost of products sold:
Accelerated depreciation and amortization	$	0.1	$	—	$	—
Inventory write-down to estimated net realizable value	2.6		0.8		—
Total other restructuring related charges - Cost of products sold	2.7		0.8		—
Other restructuring related charges - General expense:
Accelerated depreciation and amortization	1.1		0.3		—
Total restructuring, restructuring related, and other impairment expense	$	26.4	$	20.2	$	1.9

Changes in the restructuring liabilities, substantially all of which are employee-related, are summarized as follows (in millions):


	Years Ended December 31,
	2023		2022
Balance at beginning of year	$	4.0	$	3.8
Accruals for announced programs	0.3		1.0
Accruals assumed from Merger(1)	—		2.3
Cash payments	(0.5)		(3.0)

Foreign exchange impact	—		(0.1)
Balance at end of period	$	3.8	$	4.0

(1) Accrued liabilities primarily for severance related to an optimization program at facilities acquired through the Merger.