Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-24-156656-index-headers.html | 2024-06-07 07:00:32 | |
| 0001193125-24-156656-index.html | 2024-06-07 07:00:32 | |
| 0001193125-24-156656.txt | 2024-06-07 07:00:32 | |
 0001193125-24-156656-xbrl.zip | 38062 | 2024-06-07 07:00:32 |
| d834053d8k.htm | 26822 | 2024-06-07 07:00:32 |
| d834053d8k_htm.xml | 3518 | 2024-06-07 07:00:32 |
| d834053dex991.htm | 240671 | 2024-06-07 07:00:32 |
| d834053dex992.htm | 224161 | 2024-06-07 07:00:32 |
| FilingSummary.xml | 1930 | 2024-06-07 07:00:32 |
| Financial_Report.xlsx | 5688 | 2024-06-07 07:00:32 |
 g834053dsp01.jpg | 12355 | 2024-06-07 07:00:32 |
| ghm-20240607.xsd | 2856 | 2024-06-07 07:00:32 |
| ghm-20240607_lab.xml | 17235 | 2024-06-07 07:00:32 |
| ghm-20240607_pre.xml | 10817 | 2024-06-07 07:00:32 |
| MetaLinks.json | 18336 | 2024-06-07 07:00:32 |
| R1.htm | 38092 | 2024-06-07 07:00:32 |
| report.css | 2767 | 2024-06-07 07:00:32 |
| Show.js | 1085 | 2024-06-07 07:00:32 |