Commercial Loans Receivables and Allowance for Loan Loss (Concentrations of Inventory Finance Receivables) (Details)	Dec. 30, 2017	Apr. 01, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial Loans Receivable Principal Balance Concentration	18.90%	23.00%
ARIZONA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Inventory Finance Receivables Geographic Concentration Percentage	15.70%	21.30%
Texas [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Inventory Finance Receivables Geographic Concentration Percentage	13.10%	11.00%
CALIFORNIA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Inventory Finance Receivables Geographic Concentration Percentage		11.00%
OREGON
Accounts, Notes, Loans and Financing Receivable [Line Items]
Inventory Finance Receivables Geographic Concentration Percentage	13.80%	15.70%
INDIANA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Inventory Finance Receivables Geographic Concentration Percentage		10.70%
WASHINGTON
Accounts, Notes, Loans and Financing Receivable [Line Items]
Inventory Finance Receivables Geographic Concentration Percentage	10.70%	6.00%