Reinsurance and Insurance Loss Reserves (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 01, 2022	Dec. 26, 2020	Jan. 01, 2022	Dec. 26, 2020
Reinsurance Effect on Premiums Written and Earned
Direct premiums Written	$ 6,380	$ 5,420	$ 19,529	$ 16,100
Assumed premiums - nonaffiliate Written	7,023	6,541	23,837	21,787
Ceded premiums - nonaffiliate Written	(3,866)	(3,146)	(11,227)	(9,201)
Net premiums Written	9,537	8,815	32,139	28,686
Direct premiums Earned	6,557	5,429	18,876	15,759
Assumed premiums - nonaffiliate Earned	7,822	7,195	22,830	21,028
Ceded premiums - nonaffiliate Earned	(3,866)	(3,146)	(11,227)	(9,201)
Premiums Earned, Net	$ 10,513	$ 9,478	$ 30,479	$ 27,586