REVENUE FROM CONTRACTS WITH CUSTOMERS - Revenues Disaggregated by Geographic Market (Details) - Revenue - Geographic Concentration Risk	12 Months Ended
	Dec. 27, 2023	Dec. 28, 2022	Dec. 29, 2021
Disaggregation of Revenue [Line Items]
Percentage of concentration	100.00%	100.00%	100.00%
Greater Los Angeles area market
Disaggregation of Revenue [Line Items]
Percentage of concentration	71.30%	71.20%	70.90%
Other markets
Disaggregation of Revenue [Line Items]
Percentage of concentration	28.70%	28.80%	29.10%