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Retirement Plan - Schedule of Net Periodic Benefit Cost (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Dec. 28, 2023
Dec. 29, 2022
Dec. 28, 2023
Dec. 29, 2022
Retirement Benefits [Abstract]        
Service cost $ 63 $ 201 $ 126 $ 401
Interest cost 350 341 700 683
Amortization of loss 0 7 0 14
Net periodic benefit cost $ 413 $ 549 $ 826 $ 1,098