Related Party Disclosures (Tables)

12 Months Ended

Dec. 31, 2022

Related Party Transactions [Abstract]

Schedule of related party transactions

	Fiscal Year Ended
	December 31, 2022						January 1, 2022
(in millions)	Powersem		EB Tech		ATEC		Powersem		EB Tech		ATEC
Sales to related party	$	—	$	—	$	—	$	0.2	$	—	$	—
Purchase of material/services from related party	0.3		0.4		11.5		3.0		0.4		12.6
Accounts receivable balance	—		—		—		—		—		—
Accounts payable balance	$	—	$	—	$	1.8	$	—	$	—	$	1.8