Reinsurance and Insurance Loss Reserves (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 03, 2021	Jun. 27, 2020
Reinsurance Effect on Premiums Written and Earned
Direct premiums Written	$ 6,839	$ 5,765
Assumed premiums - nonaffiliate Written	8,574	7,653
Ceded premiums - nonaffiliate Written	(3,647)	(3,202)
Net premiums Written	11,766	10,216
Direct premiums Earned	5,996	5,185
Assumed premiums - nonaffiliate Earned	7,378	6,790
Ceded premiums - nonaffiliate Earned	(3,647)	(3,202)
Premiums Earned, Net	$ 9,727	$ 8,773