v3.26.1
Income Taxes - Additional Information (Details) - USD ($)
12 Months Ended
Jun. 28, 2026
Jun. 29, 2025
Jun. 30, 2024
Income Taxes [Line Items]      
Tax benefit     $ (103,000)
Valuation allowance $ 60,364,000 $ 55,208,000 55,250,000
Capital loss carryforwards 50,000 3,628,000  
U.S federal research tax credit carryforwards $ 10,456,000    
U.S. federal research tax credit carryforwards expiration year 2027    
Open tax year 2021 2022 2023 2024 2025    
Amount of Unrecognized Deferred Tax Liability $ 13,728,000    
U.S. federal interest Carry forward 7,243,000 5,895,000  
Income taxes, refund $ 999,000 3,492,000 5,758,000
Benefit of related penalties and interest     853,000
Federal tax credits beginning to expiration year 2039    
Internal Revenue Service [Member]      
Income Taxes [Line Items]      
Open tax year 2023 2024 2025    
Income taxes, refund     1,275,000
Interest on income tax overpayments     457,000
Penalty or interest assessed by IRS     0
Capital Loss Carryforward      
Income Taxes [Line Items]      
Capital loss carryforwards $ 50,000    
U.S. Federal NOL [Member]      
Income Taxes [Line Items]      
U.S federal net operating loss carryforwards $ 29,216,000    
Open tax year 2014 2015 2016 2017 2018 2019    
U.S. Federal Foreign Tax Credits [Member]      
Income Taxes [Line Items]      
Net operating loss carryforwards beginning expiration year 2028    
U.S federal net operating loss carry a full valuation allowance $ 226,000    
U.S. State NOL Carryforwards [Member]      
Income Taxes [Line Items]      
Capital loss carryforwards $ 4,844,000    
Net operating loss carryforwards beginning expiration year 2028    
Foreign Tax Credits [Member]      
Income Taxes [Line Items]      
Valuation allowance $ 174,000    
U.S federal net operating loss carry a full valuation allowance 2,254,000    
Earliest Tax Year [Member]      
Income Taxes [Line Items]      
State deferred tax expense component, utilization of net operating loss carryforwards 0 1,000 0
Foreign deferred tax expense component, utilization of net operating loss carryforwards 636,000 941,000 896,000
Valuation allowance, deferred tax asset, increase (decrease), amount 5,156,000 (42,000) 11,340,000
Unrecognized tax benefits that would impact effective tax rate 1,996,000    
Unrecognized tax expense (benefit), income tax penalties and interest expense 136,000 (120,000) 657,000
Unrecognized tax benefits, income tax penalties and interest accrued 558,000 422,000 302,000
Unremitted foreign earnings 44,110,000    
U.S. Federal [Member]      
Income Taxes [Line Items]      
Net operating loss 0 0 $ 0
Income taxes, refund $ 0    
Net Operating Loss Held Outside U.S Consolidated Tax Filing Group [Member]      
Income Taxes [Line Items]      
U.S state net operating loss carryforwards   $ 573,000  
Net operating loss carryforwards beginning expiration year 2028    
Net Operating Loss Held Outside U.S Consolidated Tax Filing Group [Member] | U.S. Federal NOL [Member]      
Income Taxes [Line Items]      
U.S federal net operating loss carryforwards $ 553,000    
Foreign Net Operating Loss Carry Forwards [Member]      
Income Taxes [Line Items]      
U.S federal net operating loss carry a full valuation allowance 4,133,000    
State and Local Jurisdiction [Member]      
Income Taxes [Line Items]      
Income taxes, refund $ 6,000    
State and Local Jurisdiction [Member] | North Carolina Department of Revenue [Member]      
Income Taxes [Line Items]      
Open tax year 2022