Related Party Disclosures (Tables)

12 Months Ended

Dec. 27, 2025

Related Party Transactions [Abstract]

Schedule of related party transactions

	Fiscal Year Ended
	December 27, 2025						December 28, 2024
(in millions)	Powersem		EB Tech		ATEC		Powersem		EB Tech		ATEC
Sales to related party	$	1.2	$	—	$	—	$	1.5	$	—	$	—
Purchase of material/services from related party	2.2		0.9		9.0		3.8		0.7		5.7
Accounts payable balance	$	0.1	$	0.1	$	2.1	$	0.7	$	0.1	$	0.7