Reinsurance (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 27, 2014	Dec. 28, 2013	Dec. 27, 2014	Dec. 28, 2013
Reinsurance Effect on Premiums Written and Earned
Direct premiums Written	$ 3,162	$ 3,319	$ 9,926	$ 9,060
Assumed premiums - nonaffiliate Written	4,463	3,754	14,713	12,067
Ceded premiums - nonaffiliate Written	(2,518)	(2,536)	(7,275)	(5,995)
Net premiums Written	5,107	4,537	17,364	15,132
Direct premiums Earned	3,287	3,317	9,551	7,847
Assumed premiums - nonaffiliate Earned	4,823	3,925	13,835	11,141
Ceded premiums - nonaffiliate Earned	(2,518)	(2,536)	(7,275)	(5,995)
Net premiums Earned	$ 5,592	$ 4,706	$ 16,111	$ 12,993