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Related Party Transactions (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2024	Jul. 01, 2023	Jun. 29, 2024	Jul. 01, 2023	Dec. 30, 2023
Related Party Transaction
Sales to related party	$ 558,489	$ 611,997	$ 1,093,874	$ 1,221,779
Accounts receivable balance	317,963		317,963		$ 287,018
Accounts payable balance	176,095		176,095		173,535
Related Party \| Powersem
Related Party Transaction
Sales to related party	400	700
Purchase material/service from related party	1,200	1,100
Accounts receivable balance	200		200		0
Accounts payable balance	200		200		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	100		100		0
Related Party \| ATEC
Related Party Transaction
Sales to related party	0	0
Purchase material/service from related party	800	$ 2,900
Accounts receivable balance	0		0		0
Accounts payable balance	$ 200		$ 200		$ 1,000
Powersem \| Related Party
Related Party Transaction
Ownership percentage (as a percent)	45.00%		45.00%
Sales to related party			$ 900	1,200
Purchase material/service from related party			$ 2,400	2,100
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			$ 400	200
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			$ 2,900	$ 5,600