Delinquency status of consumer loans (Details) - USD ($) $ in Thousands	Jul. 03, 2021	Apr. 03, 2021	Jun. 27, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Consumer loans receivable	$ 71,970	$ 80,027	$ 80,027
Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Consumer loans receivable	68,258	76,378
31 - 60 days past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Consumer loans receivable	192	508
61 - 90 days past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Consumer loans receivable	3,112	21
91+ days past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Consumer loans receivable	$ 408	$ 3,120