Reinsurance and Insurance Loss Reserves (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 03, 2021	Mar. 28, 2020
Reinsurance Effect on Premiums Written and Earned
Direct premiums Written	$ 23,226	$ 20,060
Assumed premiums - nonaffiliate Written	29,167	27,359
Ceded premiums - nonaffiliate Written	(12,604)	(12,598)
Net premiums Written	39,789	34,821
Direct premiums Earned	21,424	18,912
Assumed premiums - nonaffiliate Earned	28,160	26,370
Ceded premiums - nonaffiliate Earned	(12,604)	(12,598)
Net premiums Earned	$ 36,980	$ 32,684