Restatement of Previously Issued Condensed Consolidated Financial Statements - Narrative (Details) - USD ($) $ in Thousands		3 Months Ended								12 Months Ended
		Jan. 01, 2023	Oct. 02, 2022	Jul. 03, 2022	Apr. 03, 2022	Jan. 02, 2022	Oct. 03, 2021	Jul. 04, 2021	Apr. 04, 2021	Jan. 01, 2023		Jan. 02, 2022		Jan. 03, 2021
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Increase (decrease) in total cost of revenues										$ 1,338,942		$ 876,306		$ 715,019
Increase (decrease) in total revenues		$ 497,968	$ 476,393	$ 417,464	$ 350,118	$ 347,715	$ 282,460	$ 259,893	$ 238,290	1,741,943	[1]	1,128,358	[1]	863,489	[1]
Increase (decrease) in inventories		295,731				214,470				295,731		214,470
Increase (decrease) in advance to suppliers, current portion		12,059				462				12,059		462
Increase (decrease) in prepaid expenses and other current assets	[2]	197,811				99,163				197,811		99,163
Increase (decrease) in accounts payable	[2]	243,139				140,222				243,139		140,222
Increase (decrease) in accrued liabilities	[2]	148,119				104,143				148,119		104,143
Increase (decrease) in contract assets		57,070				27,815				57,070		27,815
Increase (decrease) in sales, general, and administrative expense	[1]									387,260		236,104		153,820
Restatement Adjustments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Increase (decrease) in total cost of revenues										(38,227)		(26,412)		(18,352)
Increase (decrease) in total revenues		656	$ 682	$ (308)	$ (159)	(115)	$ (852)	$ (858)	$ (1,846)	871		(3,671)		(6,528)
Increase (decrease) in inventories		(21,084)				38				(21,084)		38
Increase (decrease) in advance to suppliers, current portion		2,750				0				2,750		0
Increase (decrease) in prepaid expenses and other current assets		51				(1,049)				51		(1,049)
Increase (decrease) in accounts payable		910				1,708				910		1,708
Increase (decrease) in accrued liabilities		2,890				2,163				2,890		2,163
Increase (decrease) in contract assets		6,378				1,821				6,378		1,821
Increase (decrease) in sales, general, and administrative expense										47,937		31,938		15,005
Restatement Adjustments | Inventory Related Adjustments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Increase (decrease) in total cost of revenues										14,600
Increase (decrease) in inventories		(19,700)								(19,700)
Increase (decrease) in advance to suppliers, current portion		2,800								2,800
Increase (decrease) in prepaid expenses and other current assets		2,400								2,400
Increase (decrease) in accounts payable		800								800
Increase (decrease) in accrued liabilities		400								400
Restatement Adjustments | Classification of Expense in the Statements of Operations
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Increase (decrease) in total cost of revenues										(49,100)		(26,800)		(18,100)
Increase (decrease) in sales, general, and administrative expense										49,100		26,800		18,100
Restatement Adjustments | Discontinued Operations
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Increase (decrease) in total cost of revenues										(3,500)
Increase (decrease) in sales, general, and administrative expense										(1,100)
Restatement Adjustments | Timing of Revenue Recognition for Certain Revenue Contracts
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Increase (decrease) in total cost of revenues										2,900		(700)		(2,300)
Increase (decrease) in total revenues										4,600		(1,400)		$ (4,600)
Increase (decrease) in prepaid expenses and other current assets		(4,000)				(1,100)				(4,000)		(1,100)
Increase (decrease) in contract assets		$ 6,400				$ 1,800				$ 6,400		$ 1,800

[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: (gain) loss from business divestitures, net,” “operating expenses: expense (income) from transition services agreement, net,” “other income (expense), net: interest expense,” and “(loss) income from discontinued operations before income taxes and equity in (losses) earnings of unconsolidated investees” financial statement line items in our consolidated statements of operations (see Note 4, Note 11, and Note 13).

[2] We have related-party balances for transactions made with TotalEnergies SE and its affiliates, Maxeon Solar Technologies, Ltd. (“Maxeon Solar”), and unconsolidated entities in which we have a direct equity investment. These related-party balances are recorded within the “accounts receivable, net,” “prepaid expenses and other current assets,” “other long-term assets,” “accounts payable,” “accrued liabilities,” “convertible debt, current portion,” “contract liabilities, current portion,” “convertible debt, net of current portion,” “other long-term liabilities,” “current assets of discontinued operations,” “current liabilities of discontinued operations,” and “long-term liabilities of discontinued operations” financial statement line items on our consolidated balance sheets (see Note 4, Note 10, Note 11, Note 12, and Note 13).