Restructuring Charges (Tables)

12 Months Ended

Sep. 28, 2024

Restructuring and Related Activities [Abstract]

Charges Taken Related to Restructuring Actions

The following table displays charges taken related to restructuring actions in fiscal 2024, 2023 and 2022 and a rollforward of the charges to the accrued balances as of September 28, 2024:

	Fiscal 2024 Actions		Fiscal 2023 Actions		Fiscal 2022 Actions		Other		Total
Restructuring Charges
Fiscal 2022 charges:
Workforce reductions	$	—	$	—	$	2.6	$	(0.7)	$	1.9
Facility closure costs	—		—		0.5		—		0.5
Fiscal 2022 restructuring charges	$	—	$	—	$	3.1	$	(0.7)	$	2.4
Fiscal 2023 charges:
Workforce reductions	$	—	$	5.5	$	6.0	$	—	$	11.5
Other costs	—		—		0.5		—		0.5
Fiscal 2023 restructuring charges	$	—	$	5.5	$	6.5	$	—	$	12.0
Fiscal 2024 charges:
Lease asset impairment charge	$	12.5	$	—	$	—	$	—	$	12.5
Accelerated depreciation expense	7.2		—		—		—		7.2
Workforce reductions	15.8		—		3.9		—		19.7
Other costs	1.2		—		0.5		—		1.7
Fiscal 2024 restructuring charges	$	36.7	$	—	$	4.4	$	—	$	41.1

Charges Taken Related to Accrued Restructuring Actions

	Fiscal 2024 Actions		Fiscal 2023 Actions		Fiscal 2022 Actions		Other		Total
Rollforward of Accrued Restructuring
Balance as of September 25, 2021	$	—	$	—	$	—	$	4.1	$	4.1
Fiscal 2022 restructuring charges	$	—	$	—	$	3.1	$	(0.7)	$	2.4
Severance payments and adjustments	—		—		(0.4)		(3.0)		(3.4)
Balance as of September 24, 2022	$	—	$	—	$	2.7	$	0.4	$	3.1
Fiscal 2023 restructuring charges	$	—	$	5.5	$	6.5	$	—	$	12.0
Severance payments and adjustments	—		(3.2)		(2.5)		(0.4)		(6.1)
Balance as of September 30, 2023	$	—	$	2.3	$	6.7	$	—	$	9.0
Fiscal 2024 restructuring charges	$	36.7	$	—	$	4.4	$	—	$	41.1
Non-cash impairment charge	(12.5)		—		—		—		(12.5)
Non-cash accelerated depreciation charge	(7.2)		—		—		—		(7.2)
Severance payments and adjustments	(11.5)		(2.0)		(4.9)		—		(18.4)
Balance as of September 28, 2024	$	5.5	$	0.3	$	6.2	$	—	$	12.0