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Note H - Income Taxes (Details Textual) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Dec. 27, 2019 | Dec. 28, 2018
Effective Income Tax Rate Reconciliation, Percent, Total | 4.30% | 25.10%
Effective Income Tax Rate Reconciliation, GILTI benefit, Percent | 18.55% | 0.67%
Effective Income Tax Rate Reconciliation, GILTI Inclusion, Amount | $ 9,385 |
Unrecognized Tax Benefits that Would Impact Effective Tax Rate | $ 1,158 |
Foreign Tax Authority [Member] |  |
Open Tax Year | 2013 2014 2015 2016 2017 2018 2019 |
Foreign Tax Authority [Member] | Tax and Customs Administration, Netherlands [Member] |  |
Open Tax Year | 2019 |
Domestic Tax Authority [Member] |  |
Open Tax Year | 2015 2016 2017 2018 2019 |

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