Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000861459-23-000023-index-headers.html | 2023-10-31 06:04:22 | |
| 0000861459-23-000023-index.html | 2023-10-31 06:04:22 | |
| 0000861459-23-000023.txt | 2023-10-31 06:04:22 | |
 0000861459-23-000023-xbrl.zip | 27406 | 2023-10-31 06:04:22 |
| FilingSummary.xml | 1627 | 2023-10-31 06:04:22 |
| Financial_Report.xlsx | 5684 | 2023-10-31 06:04:22 |
| gva-20230930xexx991.htm | 303127 | 2023-10-31 06:04:22 |
| gva-20231031.htm | 26753 | 2023-10-31 06:04:22 |
| gva-20231031.xsd | 1934 | 2023-10-31 06:04:22 |
| gva-20231031_htm.xml | 2714 | 2023-10-31 06:04:22 |
| gva-20231031_lab.xml | 23834 | 2023-10-31 06:04:22 |
| gva-20231031_pre.xml | 12531 | 2023-10-31 06:04:22 |
| MetaLinks.json | 17188 | 2023-10-31 06:04:22 |
| R1.htm | 38084 | 2023-10-31 06:04:22 |
| report.css | 2767 | 2023-10-31 06:04:22 |
| Show.js | 1084 | 2023-10-31 06:04:22 |