Reinsurance and Insurance Loss Reserves - Schedule of Reinsurance Effect on Premiums Written and Earned (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 27, 2025	Dec. 28, 2024	Dec. 27, 2025	Dec. 28, 2024
Written
Direct premiums	$ 9,643	$ 19,260	$ 31,086	$ 32,763
Assumed premiums—nonaffiliated	9,996	21,534	33,194	33,269
Ceded premiums—nonaffiliated	(7,309)	(17,387)	(22,673)	(25,572)
Net premiums written	12,330	23,407	41,607	40,460
Earned
Direct premiums	11,084	24,645	33,800	36,947
Assumed premiums—nonaffiliated	11,018	20,629	32,851	30,133
Ceded premiums—nonaffiliated	(7,309)	(17,387)	(22,673)	(25,572)
Net premiums earned	$ 14,793	$ 27,887	$ 43,978	$ 41,508