Related Party Transactions (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 28, 2024	Sep. 30, 2023	Sep. 28, 2024	Sep. 30, 2023	Dec. 30, 2023
Related Party Transaction
Sales to related party	$ 567,390	$ 607,071	$ 1,661,263	$ 1,828,850
Accounts receivable balance	338,758		338,758		$ 287,018
Accounts payable balance	179,486		179,486		173,535
Related Party | Powersem
Related Party Transaction
Sales to related party	300	500
Purchase material/service from related party	600	1,200
Accounts receivable balance	100		100		0
Accounts payable balance	500		500		500
Related Party | EB Tech
Related Party Transaction
Sales to related party	0	0
Purchase material/service from related party	200	100
Accounts receivable balance	0		0		0
Accounts payable balance	0		0		0
Related Party | ATEC
Related Party Transaction
Sales to related party	0	0
Purchase material/service from related party	600	$ 2,000
Accounts receivable balance	0		0		0
Accounts payable balance	$ 100		$ 100		$ 1,000
Powersem | Related Party
Related Party Transaction
Ownership percentage (as a percent)	45.00%		45.00%
Sales to related party			$ 1,200	1,700
Purchase material/service from related party			$ 3,000	3,300
EB Tech | Related Party
Related Party Transaction
Ownership percentage (as a percent)	19.00%		19.00%
Sales to related party			$ 0	0
Purchase material/service from related party			$ 600	300
ATEC | Related Party
Related Party Transaction
Ownership percentage (as a percent)	24.00%		24.00%
Sales to related party			$ 0	0
Purchase material/service from related party			$ 3,500	$ 7,600