Related Party Transactions (Tables)

9 Months Ended

Sep. 28, 2024

Related Party Transactions [Abstract]

Schedule of Related Party Transactions

	Three Months Ended September 28, 2024						Three Months Ended September 30, 2023
(in millions)	Powersem		EB Tech		ATEC		Powersem		EB Tech		ATEC
Sales to related party	$	0.3	$	—	$	—	$	0.5	$	—	$	—
Purchase material/service from related party	0.6		0.2		0.6		1.2		0.1		2.0
	Nine Months Ended September 28, 2024						Nine Months Ended September 30, 2023
(in millions)	Powersem		EB-Tech		ATEC		Powersem		EB Tech		ATEC
Sales to related party	$	1.2	$	—	$	—	$	1.7	$	—	$	—
Purchase material/service from related party	3.0		0.6		3.5		3.3		0.3		7.6
	September 28, 2024						December 30, 2023
(in millions)	Powersem		EB Tech		ATEC		Powersem		EB Tech		ATEC
Accounts receivable balance	$	0.1	$	—	$	—	$	—	$	—	$	—
Accounts payable balance	$	0.5	$	—	$	0.1	$	0.5	$	—	$	1.0