Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000912562-26-000141-index-headers.html | 2026-07-16 07:44:44 | |
| 0000912562-26-000141-index.html | 2026-07-16 07:44:44 | |
| 0000912562-26-000141.txt | 2026-07-16 07:44:44 | |
 0000912562-26-000141-xbrl.zip | 11874 | 2026-07-16 07:44:44 |
| exhibit991-saleofrenewables.htm | 8383 | 2026-07-16 07:44:44 |
| FilingSummary.xml | 1669 | 2026-07-16 07:44:44 |
 gibraltar_wordmarkxbluexrgb.jpg | 147573 | 2026-07-16 07:44:44 |
| MetaLinks.json | 17915 | 2026-07-16 07:44:44 |
| R1.htm | 39656 | 2026-07-16 07:44:44 |
| report.css | 2766 | 2026-07-16 07:44:44 |
| rock-20260716.htm | 25207 | 2026-07-16 07:44:44 |
| rock-20260716.xsd | 2071 | 2026-07-16 07:44:44 |
| rock-20260716_htm.xml | 2831 | 2026-07-16 07:44:44 |
| rock-20260716_lab.xml | 23082 | 2026-07-16 07:44:44 |
| rock-20260716_pre.xml | 13216 | 2026-07-16 07:44:44 |
| Show.js | 1085 | 2026-07-16 07:44:44 |