Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-25-003839-index-headers.html | 2025-01-10 08:45:23 | |
| 0000950170-25-003839-index.html | 2025-01-10 08:45:23 | |
| 0000950170-25-003839.txt | 2025-01-10 08:45:23 | |
 0000950170-25-003839-xbrl.zip | 241243 | 2025-01-10 08:45:23 |
| FilingSummary.xml | 50102 | 2025-01-10 08:45:23 |
| Financial_Report.xlsx | 102296 | 2025-01-10 08:45:23 |
| gbx-20241130.htm | 2184199 | 2025-01-10 08:45:23 |
| gbx-20241130.xsd | 1432122 | 2025-01-10 08:45:23 |
| gbx-20241130_htm.xml | 1988704 | 2025-01-10 08:45:23 |
| gbx-ex10_1.htm | 93183 | 2025-01-10 08:45:23 |
| gbx-ex10_4.htm | 36436 | 2025-01-10 08:45:23 |
| gbx-ex31_1.htm | 16952 | 2025-01-10 08:45:23 |
| gbx-ex31_2.htm | 17429 | 2025-01-10 08:45:23 |
| gbx-ex32_1.htm | 10021 | 2025-01-10 08:45:23 |
| gbx-ex32_2.htm | 10498 | 2025-01-10 08:45:23 |
 img155160714_0.jpg | 28958 | 2025-01-10 08:45:23 |
| MetaLinks.json | 1028982 | 2025-01-10 08:45:23 |
| R1.htm | 53087 | 2025-01-10 08:45:23 |
| R10.htm | 14500 | 2025-01-10 08:45:23 |
| R11.htm | 11112 | 2025-01-10 08:45:23 |
| R12.htm | 20796 | 2025-01-10 08:45:23 |
| R13.htm | 45433 | 2025-01-10 08:45:23 |
| R14.htm | 22588 | 2025-01-10 08:45:23 |
| R15.htm | 49006 | 2025-01-10 08:45:23 |
| R16.htm | 43443 | 2025-01-10 08:45:23 |
| R17.htm | 26116 | 2025-01-10 08:45:23 |
| R18.htm | 26117 | 2025-01-10 08:45:23 |
| R19.htm | 36709 | 2025-01-10 08:45:23 |
| R2.htm | 110007 | 2025-01-10 08:45:23 |
| R20.htm | 62591 | 2025-01-10 08:45:23 |
| R21.htm | 66589 | 2025-01-10 08:45:23 |
| R22.htm | 137257 | 2025-01-10 08:45:23 |
| R23.htm | 145010 | 2025-01-10 08:45:23 |
| R24.htm | 73731 | 2025-01-10 08:45:23 |
| R25.htm | 22123 | 2025-01-10 08:45:23 |
| R26.htm | 94917 | 2025-01-10 08:45:23 |
| R27.htm | 9696 | 2025-01-10 08:45:23 |
| R28.htm | 9239 | 2025-01-10 08:45:23 |
| R29.htm | 38114 | 2025-01-10 08:45:23 |
| R3.htm | 17471 | 2025-01-10 08:45:23 |
| R30.htm | 23228 | 2025-01-10 08:45:23 |
| R31.htm | 47435 | 2025-01-10 08:45:23 |
| R32.htm | 27467 | 2025-01-10 08:45:23 |
| R33.htm | 25003 | 2025-01-10 08:45:23 |
| R34.htm | 24168 | 2025-01-10 08:45:23 |
| R35.htm | 30375 | 2025-01-10 08:45:23 |
| R36.htm | 63443 | 2025-01-10 08:45:23 |
| R37.htm | 65911 | 2025-01-10 08:45:23 |
| R38.htm | 134201 | 2025-01-10 08:45:23 |
| R39.htm | 138896 | 2025-01-10 08:45:23 |
| R4.htm | 106086 | 2025-01-10 08:45:23 |
| R40.htm | 71408 | 2025-01-10 08:45:23 |
| R41.htm | 88818 | 2025-01-10 08:45:23 |
| R42.htm | 24176 | 2025-01-10 08:45:23 |
| R43.htm | 18068 | 2025-01-10 08:45:23 |
| R44.htm | 4634 | 2025-01-10 08:45:23 |
| R45.htm | 12529 | 2025-01-10 08:45:23 |
| R46.htm | 12642 | 2025-01-10 08:45:23 |
| R47.htm | 12740 | 2025-01-10 08:45:23 |
| R48.htm | 34720 | 2025-01-10 08:45:23 |
| R49.htm | 10028 | 2025-01-10 08:45:23 |
| R5.htm | 45983 | 2025-01-10 08:45:23 |
| R50.htm | 70452 | 2025-01-10 08:45:23 |
| R51.htm | 15825 | 2025-01-10 08:45:23 |
| R52.htm | 18985 | 2025-01-10 08:45:23 |
| R53.htm | 11680 | 2025-01-10 08:45:23 |
| R54.htm | 31669 | 2025-01-10 08:45:23 |
| R55.htm | 13847 | 2025-01-10 08:45:23 |
| R56.htm | 17691 | 2025-01-10 08:45:23 |
| R57.htm | 25356 | 2025-01-10 08:45:23 |
| R58.htm | 33073 | 2025-01-10 08:45:23 |
| R59.htm | 20360 | 2025-01-10 08:45:23 |
| R6.htm | 6884 | 2025-01-10 08:45:23 |
| R60.htm | 8660 | 2025-01-10 08:45:23 |
| R61.htm | 8575 | 2025-01-10 08:45:23 |
| R62.htm | 39583 | 2025-01-10 08:45:23 |
| R63.htm | 6215 | 2025-01-10 08:45:23 |
| R64.htm | 19037 | 2025-01-10 08:45:23 |
| R65.htm | 35833 | 2025-01-10 08:45:23 |
| R66.htm | 30154 | 2025-01-10 08:45:23 |
| R67.htm | 27363 | 2025-01-10 08:45:23 |
| R68.htm | 4872 | 2025-01-10 08:45:23 |
| R69.htm | 43941 | 2025-01-10 08:45:23 |
| R7.htm | 79851 | 2025-01-10 08:45:23 |
| R70.htm | 11842 | 2025-01-10 08:45:23 |
| R71.htm | 27492 | 2025-01-10 08:45:23 |
| R72.htm | 15972 | 2025-01-10 08:45:23 |
| R73.htm | 8803 | 2025-01-10 08:45:23 |
| R74.htm | 22196 | 2025-01-10 08:45:23 |
| R75.htm | 6670 | 2025-01-10 08:45:23 |
| R76.htm | 6335 | 2025-01-10 08:45:23 |
| R77.htm | 20008 | 2025-01-10 08:45:23 |
| R78.htm | 42327 | 2025-01-10 08:45:23 |
| R79.htm | 10317 | 2025-01-10 08:45:23 |
| R8.htm | 5786 | 2025-01-10 08:45:23 |
| R9.htm | 115373 | 2025-01-10 08:45:23 |
| report.css | 2767 | 2025-01-10 08:45:23 |
| Show.js | 1085 | 2025-01-10 08:45:23 |