Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000912562-24-000008-index-headers.html | 2024-02-21 07:37:03 | |
| 0000912562-24-000008-index.html | 2024-02-21 07:37:03 | |
| 0000912562-24-000008.txt | 2024-02-21 07:37:03 | |
 0000912562-24-000008-xbrl.zip | 37538 | 2024-02-21 07:37:03 |
| exhibit991q42023earningsre.htm | 707077 | 2024-02-21 07:37:03 |
| FilingSummary.xml | 1671 | 2024-02-21 07:37:03 |
| Financial_Report.xlsx | 5738 | 2024-02-21 07:37:03 |
 gibraltar_wordmarkxbluexrgba.jpg | 147573 | 2024-02-21 07:37:03 |
| MetaLinks.json | 17916 | 2024-02-21 07:37:03 |
| R1.htm | 39674 | 2024-02-21 07:37:03 |
| report.css | 2767 | 2024-02-21 07:37:03 |
| rock-20240221.htm | 25341 | 2024-02-21 07:37:03 |
| rock-20240221.xsd | 2190 | 2024-02-21 07:37:03 |
| rock-20240221_htm.xml | 2831 | 2024-02-21 07:37:03 |
| rock-20240221_lab.xml | 25483 | 2024-02-21 07:37:03 |
| rock-20240221_pre.xml | 13216 | 2024-02-21 07:37:03 |
| Show.js | 1085 | 2024-02-21 07:37:03 |