BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Income Taxes (Details) - USD ($)			3 Months Ended		9 Months Ended
	May 29, 2024	Jul. 30, 2014	Sep. 25, 2024	Sep. 27, 2023	Sep. 25, 2024	Sep. 27, 2023	Dec. 27, 2023
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Unrecognized tax benefits, interest or penalties expenses			$ 0	$ 0	$ 0	$ 0
Unrecognized tax benefits, accrual of interest or penalties			0		0		$ 0
Percentage of cash savings in taxes realized as a result of utilizing net operating losses payable to pre-IPO stockholders		85.00%
Payment to seller for termination of obligations	$ 398,896
Income tax receivable agreement income			0	(106,000)	0	(105,000)
Provision for income taxes			$ 2,415,000	$ 2,975,000	$ 7,776,000	$ 7,661,000
Estimated effective tax rate			28.10%	24.40%	28.30%	26.50%
Statutory federal income tax rate applied to earnings before income taxes and extraordinary items					21.00%
Payments to pre-IPO stockholders under TRA					$ 399,000