Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000912562-25-000033-index-headers.html | 2025-08-06 07:34:58 | |
| 0000912562-25-000033-index.html | 2025-08-06 07:34:58 | |
| 0000912562-25-000033.txt | 2025-08-06 07:34:58 | |
 0000912562-25-000033-xbrl.zip | 40086 | 2025-08-06 07:34:58 |
| exhibit991q22025earningsre.htm | 734789 | 2025-08-06 07:34:58 |
| FilingSummary.xml | 1669 | 2025-08-06 07:34:58 |
 gibraltar_wordmarkxbluexrgba.jpg | 147573 | 2025-08-06 07:34:58 |
| MetaLinks.json | 17915 | 2025-08-06 07:34:58 |
| R1.htm | 39657 | 2025-08-06 07:34:58 |
| report.css | 2767 | 2025-08-06 07:34:58 |
| rock-20250806.htm | 25582 | 2025-08-06 07:34:58 |
| rock-20250806.xsd | 2071 | 2025-08-06 07:34:58 |
| rock-20250806_htm.xml | 2831 | 2025-08-06 07:34:58 |
| rock-20250806_lab.xml | 23082 | 2025-08-06 07:34:58 |
| rock-20250806_pre.xml | 13216 | 2025-08-06 07:34:58 |
| Show.js | 1084 | 2025-08-06 07:34:58 |