Commercial Loans Receivables and Allowance for Loan Loss (Narrative) (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Sep. 26, 2015	Mar. 28, 2015	Jun. 27, 2015	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014
Receivables [Abstract]
Weighted average contractual interest rate, commercial	6.90%	6.50%
Allowance for loan loss	$ 110	$ 73	$ 82	$ 134	$ 128	$ 139
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 concentration of inventory finance receivables	10.00%	10.00%
Weighted average months to maturity, commercial	8 months	6 months