Severance liabilities - Schedule of Severance Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 28, 2024	Jun. 30, 2023
Changes in severance liabilities
Balance, beginning of the fiscal year	$ 22,370	$ 18,588
Current service cost	$ 2,655	$ 2,349
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Selling, General and Administrative Expense	Selling, General and Administrative Expense
Interest cost	$ 747	$ 683
Benefit paid	(320)	(288)
Unrealized loss (gain) on exchange rate	(837)	(58)
Actuarial (gain) loss on obligation	(310)	1,089
Adjustment defined benefit obligation	(212)	0
Foreign currency translation	0	7
Balance, end of the fiscal year	24,093	22,370
Changes in plan assets
Balance, beginning of the fiscal year	349	338
Adjustment plan assets	(349)	0
Foreign currency translation	0	11
Balance, end of the fiscal year	0	349
Underfunded status	$ (24,093)	$ (22,021)