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. 26, 2026	Sep. 27, 2025	Sep. 26, 2026	Sep. 27, 2025
Written
Direct premiums	$ 8,380	$ 9,292	$ 19,242	$ 21,443
Assumed premiums—nonaffiliated	11,546	11,716	23,413	23,198
Ceded premiums—nonaffiliated	(6,882)	(7,654)	(13,787)	(15,364)
Net premiums written	13,044	13,354	28,868	29,277
Earned
Direct premiums	10,689	11,184	21,645	22,716
Assumed premiums—nonaffiliated	11,086	10,963	21,947	21,833
Ceded premiums—nonaffiliated	(6,882)	(7,654)	(13,787)	(15,364)
Net premiums earned	$ 14,893	$ 14,493	$ 29,805	$ 29,185

Amount of earned premiums assumed from other entities.

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