Related party transactions (Tables)

12 Months Ended

Mar. 28, 2026

Related Party Transactions [Abstract]

Balance Related to Related Parties

	Fiscal Year Ended
	March 28, 2026			March 29, 2025 (In thousands)			March 30, 2024
Expenses incurred:
Management fees to related parties (b)	$	25		$	17		$	41
Consultant fees to a related party (f)		—			55			217
Expense reimbursement to a related party (d)		19			26			25
Interest expense on cash advance received from controlling shareholder (c)		253			229			226
Compensation paid to a related party (e)		400			374			366
Fees charged to RMBG in exchange for retail support and administrative services (g)		(515	)		(521	)		(613	)
Interest expense and other fees on Mangrove Loan received from controlling shareholder (h)		653			—			—
Fees on Support Letters (i)		100			—			—
Consultant fees to a related party (j)		83			—			—
Balances:
Accounts payable to related parties		199			39			117
Interest payable on cash advance received from controlling shareholder (c)		252			19			18
Receivable from joint venture (g)		28			161			214
Interest payable on Mangrove Loan received from controlling shareholder (h)		425			—			—
Fees payable on Support Letters (i)	$	100		$	—		$	—