INCOME TAXES - Schedule of Effective Income Tax Rate (Details)	12 Months Ended
	Dec. 27, 2023	Dec. 28, 2022	Dec. 29, 2021
INCOME TAXES
Statutory federal income tax rate applied to earnings before income taxes and extraordinary items	21.00%	21.00%	21.00%
State income tax expense (net of federal benefit)	6.40%	7.70%	5.90%
Change in valuation allowance	(19.30%)		0.10%
State credit expiration	19.10%
TRA expense (income)	0.10%	(0.30%)
162(m)	0.60%	0.50%	0.80%
WOTC Credit	(0.70%)	(0.90%)	(0.50%)
Stock option exercises	0.10%	0.30%	(1.40%)
Deferred tax liability true up	(1.10%)
Other	0.50%	(0.30%)	0.30%
Total	26.70%	28.00%	26.20%