Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000912562-22-000037-index-headers.html | 2022-11-03 07:39:50 | |
| 0000912562-22-000037-index.html | 2022-11-03 07:39:50 | |
| 0000912562-22-000037.txt | 2022-11-03 07:39:50 | |
 0000912562-22-000037-xbrl.zip | 40430 | 2022-11-03 07:39:50 |
| exhibit991q32022earningsre.htm | 754691 | 2022-11-03 07:39:50 |
| FilingSummary.xml | 1702 | 2022-11-03 07:39:50 |
| Financial_Report.xlsx | 5743 | 2022-11-03 07:39:50 |
 gibraltar_wordmarkxbluexrgba.jpg | 147573 | 2022-11-03 07:39:50 |
| MetaLinks.json | 17482 | 2022-11-03 07:39:50 |
| R1.htm | 39675 | 2022-11-03 07:39:50 |
| report.css | 2767 | 2022-11-03 07:39:50 |
| rock-20221103.htm | 34434 | 2022-11-03 07:39:50 |
| rock-20221103.xsd | 2188 | 2022-11-03 07:39:50 |
| rock-20221103_htm.xml | 11013 | 2022-11-03 07:39:50 |
| rock-20221103_lab.xml | 25481 | 2022-11-03 07:39:50 |
| rock-20221103_pre.xml | 13214 | 2022-11-03 07:39:50 |
| Show.js | 1085 | 2022-11-03 07:39:50 |