Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000912562-25-000018-index-headers.html | 2025-04-30 07:40:21 | |
| 0000912562-25-000018-index.html | 2025-04-30 07:40:21 | |
| 0000912562-25-000018.txt | 2025-04-30 07:40:21 | |
 0000912562-25-000018-xbrl.zip | 35936 | 2025-04-30 07:40:21 |
| exhibit991q12025earningsre.htm | 580392 | 2025-04-30 07:40:21 |
| FilingSummary.xml | 1669 | 2025-04-30 07:40:21 |
| Financial_Report.xlsx | 5760 | 2025-04-30 07:40:21 |
 gibraltar_wordmarkxbluexrgba.jpg | 147573 | 2025-04-30 07:40:21 |
| MetaLinks.json | 17915 | 2025-04-30 07:40:21 |
| R1.htm | 39656 | 2025-04-30 07:40:21 |
| report.css | 2767 | 2025-04-30 07:40:21 |
| rock-20250430.htm | 26744 | 2025-04-30 07:40:21 |
| rock-20250430.xsd | 2071 | 2025-04-30 07:40:21 |
| rock-20250430_htm.xml | 2831 | 2025-04-30 07:40:21 |
| rock-20250430_lab.xml | 23082 | 2025-04-30 07:40:21 |
| rock-20250430_pre.xml | 13216 | 2025-04-30 07:40:21 |
| Show.js | 1085 | 2025-04-30 07:40:21 |