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RESTRUCTURING - Restructuring Charges (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 02, 2022	Jan. 03, 2021	Dec. 29, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring charges (credits)	$ 8,084	$ 0	$ (517)
SunPower Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Severance and benefits	0	0	(234)
Other costs	0	0	(283)
Restructuring charges (credits)	0	0	(517)
May 2021 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Severance and benefits	4,313	0	0
Impairment and accelerated depreciation of assets	252	0	0
Restructuring charges (credits)	4,565	0	0
Other Restructuring
Restructuring Cost and Reserve [Line Items]
Severance and benefits	1,077	0	0
Impairment and accelerated depreciation of assets	2,440	0	0
Other costs	2	0	0
Restructuring charges (credits)	$ 3,519	$ 0	$ 0

X

- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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