Reinsurance (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 01, 2017	Apr. 02, 2016
Reinsurance Effect on Premiums Written and Earned
Direct premiums Written	$ 16,528	$ 15,595
Assumed premiums - nonaffiliate Written	25,332	22,580
Ceded premiums - nonaffiliate Written	(12,247)	(11,088)
Net premiums Written	29,613	27,087
Direct premiums Earned	15,919	14,764
Assumed premiums - nonaffiliate Earned	23,908	21,191
Ceded premiums - nonaffiliate Earned	(12,247)	(11,088)
Net premiums Earned	$ 27,580	$ 24,867