Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000104889-19-000035-index-headers.html | 2019-10-30 09:01:13 | |
| 0000104889-19-000035-index.html | 2019-10-30 09:01:13 | |
| 0000104889-19-000035.txt | 2019-10-30 09:01:13 | |
 0000104889-19-000035-xbrl.zip | 46226 | 2019-10-30 09:01:13 |
| a2019q38-kearningsrele.htm | 52269 | 2019-10-30 09:01:13 |
| a2019q38-kearningsrele_htm.xml | 4294 | 2019-10-30 09:01:13 |
| dex991.htm | 945039 | 2019-10-30 09:01:13 |
| FilingSummary.xml | 1737 | 2019-10-30 09:01:13 |
| Financial_Report.xlsx | 5792 | 2019-10-30 09:01:13 |
| ghc-20191030.xsd | 4565 | 2019-10-30 09:01:13 |
| ghc-20191030_cal.xml | 611 | 2019-10-30 09:01:13 |
| ghc-20191030_def.xml | 1461 | 2019-10-30 09:01:13 |
| ghc-20191030_lab.xml | 26142 | 2019-10-30 09:01:13 |
| ghc-20191030_pre.xml | 13567 | 2019-10-30 09:01:13 |
| MetaLinks.json | 18258 | 2019-10-30 09:01:13 |
| R1.htm | 38615 | 2019-10-30 09:01:13 |
| report.css | 2767 | 2019-10-30 09:01:13 |
| Show.js | 1085 | 2019-10-30 09:01:13 |