Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000104889-20-000044-index-headers.html | 2020-08-05 08:35:04 | |
| 0000104889-20-000044-index.html | 2020-08-05 08:35:04 | |
| 0000104889-20-000044.txt | 2020-08-05 08:35:04 | |
 0000104889-20-000044-xbrl.zip | 44882 | 2020-08-05 08:35:04 |
| a2020q28-kexhibit991.htm | 949507 | 2020-08-05 08:35:04 |
| FilingSummary.xml | 1721 | 2020-08-05 08:35:04 |
| Financial_Report.xlsx | 5457 | 2020-08-05 08:35:04 |
| ghc-20200805.htm | 51994 | 2020-08-05 08:35:04 |
| ghc-20200805.xsd | 2419 | 2020-08-05 08:35:04 |
| ghc-20200805_cal.xml | 713 | 2020-08-05 08:35:04 |
| ghc-20200805_def.xml | 1650 | 2020-08-05 08:35:04 |
| ghc-20200805_htm.xml | 11288 | 2020-08-05 08:35:04 |
| ghc-20200805_lab.xml | 24275 | 2020-08-05 08:35:04 |
| ghc-20200805_pre.xml | 12649 | 2020-08-05 08:35:04 |
| MetaLinks.json | 17251 | 2020-08-05 08:35:04 |
| R1.htm | 38626 | 2020-08-05 08:35:04 |
| report.css | 2767 | 2020-08-05 08:35:04 |
| Show.js | 1085 | 2020-08-05 08:35:04 |