Commercial Loans Receivables and Allowance for Loan Loss (Commercial Loans Receivables by Class and Credit Quality Indicator) (Details) - USD ($) $ in Thousands	Apr. 01, 2017	Apr. 02, 2016
Direct Commercial Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Commercial (Deprecated 2016-01-31)	$ 24,959	$ 24,392
Direct Commercial Loans [Member] | Performing Financing Receivable [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Commercial (Deprecated 2016-01-31)	24,886	24,392
Direct Commercial Loans [Member] | Watch List [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Commercial (Deprecated 2016-01-31)	0	0
Direct Commercial Loans [Member] | Nonperforming Financing Receivable [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Commercial (Deprecated 2016-01-31)	73	0
Participation commercial loans receivables [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Commercial (Deprecated 2016-01-31)	1,084	1,278
Participation commercial loans receivables [Member] | Performing Financing Receivable [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Commercial (Deprecated 2016-01-31)	1,084	1,278
Participation commercial loans receivables [Member] | Watch List [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Commercial (Deprecated 2016-01-31)	0	0
Participation commercial loans receivables [Member] | Nonperforming Financing Receivable [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Commercial (Deprecated 2016-01-31)	$ 0	$ 0