INCOME TAXES - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 28, 2022	Dec. 29, 2021	Dec. 30, 2020
Income Tax Contingency [Line Items]
Effective income tax rate (percent)	(6.90%)	41.70%	(0.10%)
Deferred tax assets, carryforwards, federal	$ 558,397,000
Deferred tax assets, carryforwards, state and local	303,323,000
Net operating loss carryforwards	134,989,000	$ 108,207,000
Additional deferred tax asset recognized, investment in partnership	(1,137,000)
Decrease in valuation allowance	4,387,000
Uncertain tax positions	$ 0	$ 0
Percentage of tax benefits due to equity owners	85.00%
Remaining percentage of tax benefits due to equity owners	15.00%
LLC interests acquired (in shares)		29,601
Establishment of liabilities under tax receivable agreement	$ 844,000	$ 1,093,000	$ 4,024,000
Other income recognized related to reduction of tax receivable agreement liability	0	0	6,643,000
Establishment of liabilities under tax receivable agreement	234,893,000	234,045,000
Current portion of liabilities under tax receivable agreement	0
Deferred Tax Assets, Valuation Allowance	9,560,000	5,173,000
Limited Liability Company
Income Tax Contingency [Line Items]
Additional deferred tax asset recognized, investment in partnership	$ 89,660,000
LLC interests acquired (in shares)	142,601
Parent Company
Income Tax Contingency [Line Items]
Percentage of tax benefits due to equity owners	85.00%
Other income recognized related to reduction of tax receivable agreement liability	$ 0	0	6,643,000
Consolidation, Eliminations | Parent Company
Income Tax Contingency [Line Items]
Establishment of liabilities under tax receivable agreement	844,000	$ 1,093,000	$ 4,024,000
Domestic Tax Authority
Income Tax Contingency [Line Items]
Net operating loss carryforwards	506,530,000
Tax credit carryforwards	18,660,000
State and Local Jurisdiction
Income Tax Contingency [Line Items]
Net operating loss carryforwards	48,587,000
Tax credit carryforwards	$ 756,000