Related Party Transactions (Tables)

6 Months Ended

Jun. 28, 2025

Related Party Transactions [Abstract]

Schedule of Related Party Transactions

	Three Months Ended June 28, 2025						Three Months Ended June 29, 2024
(in millions)	Powersem		EB Tech		ATEC		Powersem		EB Tech		ATEC
Sales to related party	$	0.3	$	—	$	—	$	0.4	$	—	$	—
Purchase material/service from related party	0.6		0.5		1.4		1.2		0.2		0.8
	Six Months Ended June 28, 2025						Six Months Ended June 29, 2024
(in millions)	Powersem		EB Tech		ATEC		Powersem		EB Tech		ATEC
Sales to related party	$	0.6	$	—	$	—	$	0.9	$	—	$	—
Purchase material/service from related party	1.1		0.7		3.3		2.4		0.4		2.9
	June 28, 2025						December 28, 2024
(in millions)	Powersem		EB Tech		ATEC		Powersem		EB Tech		ATEC
Accounts receivable balance	$	0.1	$	—	$	—	$	—	$	—	$	—
Accounts payable balance	—		0.1		0.6		0.7		0.1		0.7