Reinsurance (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Dec. 29, 2012	Dec. 31, 2011
Reinsurance Effect on Premiums Written and Earned
Direct premiums Written	$ 1,815	$ 578	$ 4,591	$ 1,207
Assumed premiums - nonaffiliate Written	3,034	2,212	9,687	5,693
Ceded premiums - nonaffiliate Written	(1,061)	(658)	(2,753)	(1,171)
Net premiums Written	3,788	2,132	11,525	5,729
Direct premiums Earned	1,231	395	3,049	806
Assumed premiums - nonaffiliate Earned	3,131	2,511	8,860	5,725
Ceded premiums - nonaffiliate Earned	(1,061)	(658)	(2,753)	(1,171)
Net premiums Earned	$ 3,301	$ 2,248	$ 9,156	$ 5,360