Organization (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 28, 2025	Sep. 29, 2024	Sep. 28, 2025	Sep. 29, 2024	Dec. 29, 2024
Organization [Line Items]
Incorporation date			Feb. 22, 2010
Loss from continuing operations	$ (15,804)	$ (77,958)	$ (30,099)	$ (101,433)
Accumulated deficit	(442,578)		(442,578)		$ (411,379)
Total debt	204,300		204,300
Restricted cash	$ 5,100		$ 5,100

Amount after tax of income (loss) from continuing operations attributable to the parent.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
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-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 250
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-Publisher FASB
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 105
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 250
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 250
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 250
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Reference 10: http://www.xbrl.org/2003/role/disclosureRef
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Reference 12: http://fasb.org/us-gaap/role/ref/legacyRef
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-URI https://asc.fasb.org/1943274/2147481231/810-10-45-18

+ Details

- Definition

Amount of accumulated undistributed earnings (deficit).

+ References + Details