Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-24-253688-index-headers.html | 2024-11-08 06:40:29 | |
| 0001193125-24-253688-index.html | 2024-11-08 06:40:29 | |
| 0001193125-24-253688.txt | 2024-11-08 06:40:29 | |
 0001193125-24-253688-xbrl.zip | 31432 | 2024-11-08 06:40:29 |
| d836703d8k.htm | 26683 | 2024-11-08 06:40:29 |
| d836703d8k_htm.xml | 3518 | 2024-11-08 06:40:29 |
| d836703dex991.htm | 205924 | 2024-11-08 06:40:29 |
| d836703dex992.htm | 135840 | 2024-11-08 06:40:29 |
| FilingSummary.xml | 1713 | 2024-11-08 06:40:29 |
| Financial_Report.xlsx | 5688 | 2024-11-08 06:40:29 |
 g836703dsp01.jpg | 20427 | 2024-11-08 06:40:29 |
| ghm-20241108.xsd | 2857 | 2024-11-08 06:40:29 |
| ghm-20241108_lab.xml | 17236 | 2024-11-08 06:40:29 |
| ghm-20241108_pre.xml | 10818 | 2024-11-08 06:40:29 |
| MetaLinks.json | 18336 | 2024-11-08 06:40:29 |
| R1.htm | 38086 | 2024-11-08 06:40:29 |
| report.css | 2767 | 2024-11-08 06:40:29 |
| Show.js | 1085 | 2024-11-08 06:40:29 |