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| 0000104889-24-000011.txt | 2024-02-23 16:49:15 | |
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| a2023q48-kexhibit991.htm | 613150 | 2024-02-23 16:49:15 |
| FilingSummary.xml | 1628 | 2024-02-23 16:49:15 |
| Financial_Report.xlsx | 5696 | 2024-02-23 16:49:15 |
| ghc-20240223.htm | 32490 | 2024-02-23 16:49:15 |
| ghc-20240223.xsd | 1902 | 2024-02-23 16:49:15 |
| ghc-20240223_htm.xml | 2728 | 2024-02-23 16:49:15 |
| ghc-20240223_lab.xml | 24139 | 2024-02-23 16:49:15 |
| ghc-20240223_pre.xml | 12513 | 2024-02-23 16:49:15 |
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| R1.htm | 38105 | 2024-02-23 16:49:15 |
| report.css | 2767 | 2024-02-23 16:49:15 |
| Show.js | 1084 | 2024-02-23 16:49:15 |