NATURE OF OPERATIONS AND BASIS OF PRESENTATION (Details) $ / shares in Units, $ in Thousands			3 Months Ended	9 Months Ended
	Jun. 20, 2023 USD ($) $ / shares shares	Jun. 02, 2023	Oct. 01, 2023 USD ($) state restaurant	Oct. 01, 2023 USD ($) state restaurant segment	Oct. 02, 2022 USD ($)	Oct. 20, 2023 restaurant
Description Of Business And Significant Accounting Policies [Line Items]
Number of restaurants | restaurant			290	290
Number of states in which entity operates | state			24	24
Restaurants excluded from restaurant count | restaurant			2	2
Number of reportable segments | segment				2
Stock split ratio		3
Underwriting discounts and commissions				$ 22,800
Offering expenses				5,141	$ 0
Proceeds from IPO				342,604	0
Offering costs not yet paid				$ 243	$ 0
Subsequent Event
Description Of Business And Significant Accounting Policies [Line Items]
Number of conversion restaurants opened | restaurant						153
IPO
Description Of Business And Significant Accounting Policies [Line Items]
Number of shares issued in IPO (in shares) | shares	16,611,110
Sale of stock (in usd per share) | $ / shares	$ 22.00
Underwriting discounts and commissions	$ 22,800
Offering expenses	6,500
Proceeds from IPO	$ 336,100
Offering costs not yet paid			$ 200
Shares converted (in shares) | shares	95,203,554
Over-Allotment Option
Description Of Business And Significant Accounting Policies [Line Items]
Number of shares issued in IPO (in shares) | shares	2,166,666