Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000912562-23-000044-index-headers.html | 2023-11-02 07:39:13 | |
| 0000912562-23-000044-index.html | 2023-11-02 07:39:13 | |
| 0000912562-23-000044.txt | 2023-11-02 07:39:13 | |
 0000912562-23-000044-xbrl.zip | 37219 | 2023-11-02 07:39:13 |
| exhibit991q32023earningsre.htm | 694848 | 2023-11-02 07:39:13 |
| FilingSummary.xml | 1669 | 2023-11-02 07:39:13 |
| Financial_Report.xlsx | 5741 | 2023-11-02 07:39:13 |
 gibraltar_wordmarkxbluexrgba.jpg | 147573 | 2023-11-02 07:39:13 |
| MetaLinks.json | 17916 | 2023-11-02 07:39:13 |
| R1.htm | 39673 | 2023-11-02 07:39:13 |
| report.css | 2767 | 2023-11-02 07:39:13 |
| rock-20231102.htm | 26278 | 2023-11-02 07:39:13 |
| rock-20231102.xsd | 2190 | 2023-11-02 07:39:13 |
| rock-20231102_htm.xml | 2831 | 2023-11-02 07:39:13 |
| rock-20231102_lab.xml | 25483 | 2023-11-02 07:39:13 |
| rock-20231102_pre.xml | 13216 | 2023-11-02 07:39:13 |
| Show.js | 1085 | 2023-11-02 07:39:13 |