Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000104889-25-000035-index-headers.html | 2025-05-07 12:26:41 | |
| 0000104889-25-000035-index.html | 2025-05-07 12:26:41 | |
| 0000104889-25-000035.txt | 2025-05-07 12:26:41 | |
 0000104889-25-000035-xbrl.zip | 9861 | 2025-05-07 12:26:41 |
| FilingSummary.xml | 1626 | 2025-05-07 12:26:41 |
| Financial_Report.xlsx | 5720 | 2025-05-07 12:26:41 |
| ghc-20250506.htm | 45870 | 2025-05-07 12:26:41 |
| ghc-20250506.xsd | 1783 | 2025-05-07 12:26:41 |
| ghc-20250506_htm.xml | 2729 | 2025-05-07 12:26:41 |
| ghc-20250506_lab.xml | 21885 | 2025-05-07 12:26:41 |
| ghc-20250506_pre.xml | 12513 | 2025-05-07 12:26:41 |
| MetaLinks.json | 16943 | 2025-05-07 12:26:41 |
| R1.htm | 38087 | 2025-05-07 12:26:41 |
| report.css | 2766 | 2025-05-07 12:26:41 |
| Show.js | 1084 | 2025-05-07 12:26:41 |