Income Taxes (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Oct. 02, 2022	Oct. 03, 2021	Oct. 02, 2022	Oct. 03, 2021	Jan. 02, 2022
Income Tax Disclosure [Abstract]
Tax expense (benefit)		$ 3,109	$ (2,015)	$ (5,308)	$ (3,547)
Income (loss) from continuing operations before income taxes		143,783	(74,459)	91,150	(36,628)
Income tax benefit from discontinued operation		0	179	584	1,446
(Loss) income from discontinued operations before income taxes	[1]	0	(12,042)	(47,155)	(27,401)
Loss from discontinued operations before income taxes			$ 12,000		$ 27,400
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Unrecognized tax benefits		$ 13,800		13,800		$ 14,700
Valuation allowance, deferred tax asset, decrease				900
Disposal Group, Disposed of by Sale, Not Discontinued Operations | C&I Solutions
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Tax effect from sale of business				$ 1,400

[1] We have related-party transactions with TotalEnergies SE and its affiliates, Maxeon Solar, and unconsolidated entities in which we have a direct equity investment. These related-party transactions are recorded within the “total revenues,” “total cost of revenues,” “operating expenses: research and development,” “operating expenses: sales, general, and administrative,” “operating expenses: (income) expense transition services agreement, net,” “other income (expense), net: interest expense,” and “(loss) income from discontinued operations before income taxes” financial statement line items in our condensed consolidated statements of operations (see Note 3, Note 10, and Note 12).