Reinsurance (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 27, 2015	Jun. 28, 2014
Reinsurance Effect on Premiums Written and Earned
Direct premiums Written	$ 4,111	$ 3,576
Assumed premiums - nonaffiliate Written	5,789	5,299
Ceded premiums - nonaffiliate Written	(2,714)	(2,309)
Net premiums Written	7,186	6,566
Direct premiums Earned	3,593	3,074
Assumed premiums - nonaffiliate Earned	5,083	4,371
Ceded premiums - nonaffiliate Earned	(2,714)	(2,309)
Net premiums Earned	$ 5,962	$ 5,136