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LEASES - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2025	Dec. 29, 2024	Dec. 31, 2023
Lessee, Lease, Description [Line Items]
Adjustment to accumulated deficit	$ 1,009,423	$ 875,358
Operating lease, impairment loss	1,594	389	$ 4,300
Rent deferrals and accrued rent	1,036	$ 1,220
Additional operating lease commitments	$ 14,600

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- Definition

Lessee, Operating Lease, Lease Not yet Commenced, Amount

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No definition available.

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for contractual rent under lease arrangements. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount of loss from impairment of right-of-use asset from operating lease.

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Amount of accumulated undistributed earnings (deficit).

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