Income Taxes (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jul. 02, 2023	Jul. 03, 2022	Jul. 02, 2023	Jul. 03, 2022	Jan. 01, 2023
Income Tax Disclosure [Abstract]
Income tax provision (benefit), continuing operations		$ 227	$ 3,226	$ 1,454	$ (8,417)
Loss from continuing operations before income taxes		30,342	38,485	72,605	52,633
Loss from discontinued operations before income taxes	[1]	2,796	20,857	10,156	47,155
Income tax benefit from discontinued operations		0	$ 241	0	$ 584
Unrecognized tax benefits		$ 12,900		12,900		$ 12,300
Valuation allowance, deferred tax asset, increase				$ (600)

[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 from 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 2, Note 9, and Note 11).