Related Party Disclosures (Tables)

12 Months Ended

Dec. 28, 2024

Related Party Transactions [Abstract]

Schedule of related party transactions

	Fiscal Year Ended
	December 28, 2024						December 30, 2023
(in millions)	Powersem		EB Tech		ATEC		Powersem		EB Tech		ATEC
Sales to related party	$	1.5	$	—	$	—	$	2.1	$	—	$	—
Purchase of material/services from related party	3.8		0.7		5.7		4.3		0.4		9.0
Accounts payable balance	$	0.7	$	0.1	$	0.7	$	0.5	$	—	$	1.0