Restructuring and other strategic initiatives (Tables)

Overall costs associated with our restructuring and other strategic initiatives have been recognized in the condensed consolidated statements as set forth below. Expenses incurred in relation to certain of these actions qualify as restructuring expenses under U.S. GAAP.


	Three months ended				Nine months ended
(dollars in millions)	September 28, 2024		September 30, 2023		September 28, 2024		September 30, 2023
Restructuring expenses:
—Severance expense	$	1.0	$	—	$	0.5	$	4.4
—Non-severance labor and benefit (income) expenses	(0.2)		0.3		(0.1)		1.1
—Consulting expenses	1.1		0.8		2.6		1.7
—Other net restructuring expenses	0.3		1.5		2.0		3.1
	2.2		2.6		5.0		10.3
Restructuring expenses in asset impairments:
—Impairment of fixed and other assets	—		0.1		—		0.1

Restructuring expenses in cost of sales:

—Impairment of inventory	—		0.1		—		0.1

Total restructuring expenses	$	2.2	$	2.8	$	5.0	$	10.5

Expenses related to other strategic initiatives:
—Severance and other expenses (income) included in cost of sales	0.9		(0.1)		0.9		0.4
—Severance and other expenses included in SG&A	1.4		—		1.5		0.9

Total expenses (income) related to other strategic initiatives	$	2.3	$	(0.1)	$	2.4	$	1.3

(dollars in millions)

The following summarizes the reserve for restructuring expenses for the nine months ended September 28, 2024 and September 30, 2023, respectively:


	Nine months ended
(dollars in millions)	September 28, 2024		September 30, 2023
Balance as of the beginning of the period	$	5.1	$	7.5
Utilized during the period	(6.3)		(11.1)
Charge for the period	5.7		10.5
Released during the period	(0.7)		(0.2)
Foreign currency translation	—		(0.1)
Balance as of the end of the period	$	3.8	$	6.6