Investments Available for Sale - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 27, 2024	Dec. 29, 2023	Dec. 29, 2023	Dec. 30, 2022	Dec. 31, 2021
Schedule Of Available For Sale Securities [Line Items]
Sale of securities	$ 1,314,000	$ 1,300,000		$ 359,000
Realized gain on debt securities available for sale	3,000
Allowance for expected credit losses	53,415,000	49,109,000	$ 49,109,000	52,703,000	$ 67,719,000
Allowance for expected credit losses recorded	$ 0	$ 0	0	0
Maximum
Schedule Of Available For Sale Securities [Line Items]
Realized gain on debt securities available for sale			$ 1,000	$ 1,000