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FAIR VALUE - Narrative (Details) $ / shares in Units, $ in Thousands		3 Months Ended		9 Months Ended		49 Months Ended
	Sep. 07, 2021 USD ($) milestone $ / shares shares	Sep. 28, 2025 USD ($) store $ / shares	Sep. 29, 2024 USD ($)	Sep. 28, 2025 USD ($) store $ / shares	Sep. 29, 2024 USD ($)	Sep. 28, 2025 USD ($) $ / shares	Dec. 29, 2024 USD ($)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Performance based milestone targets | milestone	3
Tangible Asset Impairment Charges, Stores Impaired | store		4		9
Asset impairment charges		$ 9,600		$ 9,600
Non-cash impairment charges		4,311	$ 8,000	7,996	$ 8,000
Recurring
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Contingent consideration		5,908		$ 5,908		$ 5,908	$ 14,974
Recurring | Other Current Liabilities
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Contingent consideration							9,700
Recurring | Contingent consideration
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Contingent consideration							$ 5,300
IPO
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Shares issued (in dollars per share) | $ / shares	$ 28.00
Spyce
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Additional shares issued, value	$ 20,000
Additional shares issued (in shares) | shares	714,285
Contingent consideration	$ 16,400
Spyce | Former Equity Holders, Additional Equity | Milestone One
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Business combination, contingent consideration, liability, earnout		$ 6,000
Business acquisition, share price (in dollars per share) | $ / shares		$ 10.20		$ 10.20		$ 10.20
Business combination, contingent consideration, liability, equity interests issued and issuable, earnout		$ 2,100				$ 6,800
Business combination, contingent consideration, liability, cash, earnout		3,900				16,600
Spyce | Former Equity Holders, Additional Equity | Milestone Two
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Business combination, contingent consideration, liability, earnout		$ 7,000				$ 23,400
Business acquisition, share price (in dollars per share) | $ / shares		$ 19.40		$ 19.40		$ 19.40
Business combination, contingent consideration, liability, equity interests issued and issuable, earnout		$ 4,700
Business combination, contingent consideration, liability, cash, earnout		$ 2,300

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