Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0000104889-23-000019-index.html | 2023-02-24 08:36:14 | |
| 0000104889-23-000019.txt | 2023-02-24 08:36:14 | |
 0000104889-23-000019-xbrl.zip | 45401 | 2023-02-24 08:36:14 |
| a2022q48-kexhibit991.htm | 704776 | 2023-02-24 08:36:14 |
| FilingSummary.xml | 1651 | 2023-02-24 08:36:14 |
| Financial_Report.xlsx | 5696 | 2023-02-24 08:36:14 |
| ghc-20230224.htm | 41474 | 2023-02-24 08:36:14 |
| ghc-20230224.xsd | 1900 | 2023-02-24 08:36:14 |
| ghc-20230224_htm.xml | 11373 | 2023-02-24 08:36:14 |
| ghc-20230224_lab.xml | 24137 | 2023-02-24 08:36:14 |
| ghc-20230224_pre.xml | 12511 | 2023-02-24 08:36:14 |
| MetaLinks.json | 17042 | 2023-02-24 08:36:14 |
| R1.htm | 38103 | 2023-02-24 08:36:14 |
| report.css | 2767 | 2023-02-24 08:36:14 |
| Show.js | 1084 | 2023-02-24 08:36:14 |