Commercial Loans Receivables and Allowance for Loan Loss (Commercial Loans Receivables by Credit Quality Indicator and Year of Origination) (Details) - USD ($) $ in Thousands	Apr. 03, 2021	Mar. 28, 2020
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable, gross	$ 45,377	$ 47,202
Current fiscal year
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable, gross	30,627
Prior fiscal year
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable, gross	8,677
Fiscal 2019
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable, gross	3,206
Fiscal 2018
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable, gross	1,864
Fiscal 2017
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable, gross	1,003
Performing
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable, gross	45,377	47,016
Performing | Current fiscal year
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable, gross	30,627
Performing | Prior fiscal year
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable, gross	8,677
Performing | Fiscal 2019
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable, gross	3,206
Performing | Fiscal 2018
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable, gross	1,864
Performing | Fiscal 2017
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable, gross	1,003
Watch List
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable, gross	0	186
Watch List | Current fiscal year
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable, gross	0
Watch List | Prior fiscal year
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable, gross	0
Watch List | Fiscal 2019
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable, gross	0
Watch List | Fiscal 2018
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable, gross	0
Watch List | Fiscal 2017
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable, gross	0
Nonperforming
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable, gross	0	$ 0
Nonperforming | Current fiscal year
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable, gross	0
Nonperforming | Prior fiscal year
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable, gross	0
Nonperforming | Fiscal 2019
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable, gross	0
Nonperforming | Fiscal 2018
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable, gross	0
Nonperforming | Fiscal 2017
Financing Receivable Recorded Investment [Line Items]
Commercial loans receivable, gross	$ 0