Inventory Finance Receivables and Allowance for Loan Loss (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 30, 2013	Mar. 31, 2012	Mar. 31, 2011
Receivables [Abstract]
Allowance for loan loss	$ 350	$ 215	$ 169
Due days for loans accounted for on a non-accrual basis and accruing loans with principal payments past	90 days or more
Due days for loans on nonaccrual status when interest is past due and remains unpaid	90 days or more
Percentage of principal balance of the inventory finance receivables	excess of 10% of the principal balance of the inventory finance receivables	excess of 10% of the principal balance of the inventory finance receivables
Percentage concentration of inventory finance receivables	10.00%	10.00%