Reinsurance and Insurance Loss Reserves - Schedule of Reinsurance Effect on Premiums Written and Earned (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 27, 2025	Sep. 28, 2024	Sep. 27, 2025	Sep. 28, 2024
Written
Direct premiums	$ 9,292	$ 9,380	$ 21,443	$ 22,883
Assumed premiums—nonaffiliated	11,716	11,303	23,198	23,038
Ceded premiums—nonaffiliated	(7,654)	(8,880)	(15,364)	(17,065)
Net premiums written	13,354	11,803	29,277	28,856
Earned
Direct premiums	11,184	12,177	22,716	24,479
Assumed premiums—nonaffiliated	10,963	10,095	21,833	19,599
Ceded premiums—nonaffiliated	(7,654)	(8,880)	(15,364)	(17,065)
Net premiums earned	$ 14,493	$ 13,392	$ 29,185	$ 27,013