Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Publisher FASB
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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-Publisher FASB
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+ Details

Related Party Transactions (Details) - Equity Method Investee - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 01, 2022	Sep. 25, 2021	Oct. 01, 2022	Sep. 25, 2021	Jan. 01, 2022
Powersem
Related Party Transaction
Ownership percentage (percent)	45.00%		45.00%
Sales to related party			$ 0.0	$ 0.2
Purchase material/service from related party	$ 0.0	$ 0.8	0.3	2.6
Accounts payable balance	$ 0.0		$ 0.0		$ 0.0
EB Tech
Related Party Transaction
Ownership percentage (percent)	19.00%		19.00%
Sales to related party			$ 0.0	0.0
Purchase material/service from related party	$ 0.1	0.1	0.3	0.3
Accounts payable balance	$ 0.0		$ 0.0		0.0
ATEC
Related Party Transaction
Ownership percentage (percent)	24.00%		24.00%
Sales to related party			$ 0.0	0.0
Purchase material/service from related party	$ 2.9	$ 3.1	8.8	$ 8.9
Accounts payable balance	$ 1.7		$ 1.7		$ 1.8