Income taxes - Schedule of Deferred Tax Assets and Deferred Tax Liabilities, Net of Valuation Allowance (Details) - USD ($) $ in Thousands	Jun. 28, 2024	Jun. 30, 2023	Jun. 24, 2022	Jun. 25, 2021
Deferred tax assets:
Depreciation	$ 1,890	$ 1,999
Severance liability	4,496	4,058
Reserves and allowance	3,735	1,712
Net operating loss carryforwards	3,146	7,142
Others	792	1,008
Total	14,059	15,919
Less: Valuation allowance	(3,613)	(3,824)	$ (4,934)	$ (2,061)
Net deferred tax assets	10,446	12,095
Deferred tax liabilities:
Temporary differences from intangibles and changes in the fair value of assets acquired	(1,626)	(1,711)
Deferred tax from unremitted earnings	(5,303)	(4,819)
Others	2,034	1,731
Total	(4,895)	(4,799)
Net	$ 5,551	$ 7,296