INVESTMENTS IN SECURITIES (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 25, 2023	Jun. 26, 2022	Jun. 25, 2023	Jun. 26, 2022	Dec. 25, 2022
Debt Securities, Available-for-sale [Line Items]
Gross realized gains recognized on available-for-sale securities	$ 4,400,000	$ 0	$ 6,300,000	$ 0
Fixed income securities
Debt Securities, Available-for-sale [Line Items]
Cost	308,549,000		308,549,000		$ 167,366,000
Fair Value	$ 308,722,000		$ 308,722,000		$ 167,430,000