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Business Segments (Details) - Segment | 12 Months Ended
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Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2020
Business Segments [Line Items] |  |  |
Number of reportable segments | 2 |  |
U.S. Government | Sales | Revenue from Various Agencies and Departments |  |  |
Business Segments [Line Items] |  |  |
Percentage of revenues | 94.80% | 95.50% | 95.60%

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