Commercial Loans Receivables and Allowance for Loan Loss (Concentrations of Commerical Loans Receivables) (Details)	Mar. 28, 2020	Mar. 30, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	10.00%	10.00%
Concentration with affiliates	21.00%	22.00%
CALIFORNIA
Geographic Concentration of Commercial Loans Receivables in Key States
Geographic concentration	11.00%	21.10%
ARIZONA
Geographic Concentration of Commercial Loans Receivables in Key States
Geographic concentration		16.30%
OREGON
Geographic Concentration of Commercial Loans Receivables in Key States
Geographic concentration		10.40%