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| 0000104889-24-000018.txt | 2024-05-01 08:36:06 | |
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| a2024q18-kexhibit991.htm | 366047 | 2024-05-01 08:36:06 |
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| ghc-20240501.htm | 33001 | 2024-05-01 08:36:06 |
| ghc-20240501.xsd | 1902 | 2024-05-01 08:36:06 |
| ghc-20240501_htm.xml | 2728 | 2024-05-01 08:36:06 |
| ghc-20240501_lab.xml | 21885 | 2024-05-01 08:36:06 |
| ghc-20240501_pre.xml | 12513 | 2024-05-01 08:36:06 |
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| Show.js | 1084 | 2024-05-01 08:36:06 |