Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-19-005129-index-headers.html | 2019-01-09 13:16:39 | |
| 0001193125-19-005129-index.html | 2019-01-09 13:16:39 | |
| 0001193125-19-005129.txt | 2019-01-09 13:16:39 | |
 0001193125-19-005129-xbrl.zip | 145135 | 2019-01-09 13:16:39 |
| d666646d10q.htm | 576592 | 2019-01-09 13:16:39 |
| d666646dex101.htm | 48454 | 2019-01-09 13:16:39 |
| d666646dex102.htm | 38813 | 2019-01-09 13:16:39 |
| d666646dex311.htm | 11030 | 2019-01-09 13:16:39 |
| d666646dex312.htm | 11202 | 2019-01-09 13:16:39 |
| d666646dex321.htm | 4221 | 2019-01-09 13:16:39 |
| d666646dex322.htm | 4701 | 2019-01-09 13:16:39 |
| FilingSummary.xml | 40983 | 2019-01-09 13:16:39 |
| Financial_Report.xlsx | 69257 | 2019-01-09 13:16:39 |
| gbx-20181130.xml | 795635 | 2019-01-09 13:16:39 |
| gbx-20181130.xsd | 57079 | 2019-01-09 13:16:39 |
| gbx-20181130_cal.xml | 87548 | 2019-01-09 13:16:39 |
| gbx-20181130_def.xml | 358489 | 2019-01-09 13:16:39 |
| gbx-20181130_lab.xml | 465080 | 2019-01-09 13:16:39 |
| gbx-20181130_pre.xml | 420770 | 2019-01-09 13:16:39 |
| R1.htm | 25752 | 2019-01-09 13:16:39 |
| R10.htm | 12908 | 2019-01-09 13:16:39 |
| R11.htm | 19603 | 2019-01-09 13:16:39 |
| R12.htm | 12318 | 2019-01-09 13:16:39 |
| R13.htm | 8783 | 2019-01-09 13:16:39 |
| R14.htm | 14157 | 2019-01-09 13:16:39 |
| R15.htm | 8496 | 2019-01-09 13:16:39 |
| R16.htm | 9601 | 2019-01-09 13:16:39 |
| R17.htm | 9485 | 2019-01-09 13:16:39 |
| R18.htm | 4334 | 2019-01-09 13:16:39 |
| R19.htm | 19209 | 2019-01-09 13:16:39 |
| R2.htm | 76650 | 2019-01-09 13:16:39 |
| R20.htm | 20482 | 2019-01-09 13:16:39 |
| R21.htm | 4327 | 2019-01-09 13:16:39 |
| R22.htm | 44621 | 2019-01-09 13:16:39 |
| R23.htm | 50309 | 2019-01-09 13:16:39 |
| R24.htm | 4580 | 2019-01-09 13:16:39 |
| R25.htm | 14084 | 2019-01-09 13:16:39 |
| R26.htm | 29858 | 2019-01-09 13:16:39 |
| R27.htm | 4767 | 2019-01-09 13:16:39 |
| R28.htm | 13426 | 2019-01-09 13:16:39 |
| R29.htm | 11538 | 2019-01-09 13:16:39 |
| R3.htm | 12961 | 2019-01-09 13:16:39 |
| R30.htm | 9383 | 2019-01-09 13:16:39 |
| R31.htm | 13020 | 2019-01-09 13:16:39 |
| R32.htm | 9544 | 2019-01-09 13:16:39 |
| R33.htm | 9193 | 2019-01-09 13:16:39 |
| R34.htm | 20735 | 2019-01-09 13:16:39 |
| R35.htm | 22828 | 2019-01-09 13:16:39 |
| R36.htm | 44592 | 2019-01-09 13:16:39 |
| R37.htm | 47401 | 2019-01-09 13:16:39 |
| R38.htm | 26054 | 2019-01-09 13:16:39 |
| R39.htm | 21980 | 2019-01-09 13:16:39 |
| R4.htm | 70194 | 2019-01-09 13:16:39 |
| R40.htm | 15022 | 2019-01-09 13:16:39 |
| R41.htm | 11813 | 2019-01-09 13:16:39 |
| R42.htm | 13772 | 2019-01-09 13:16:39 |
| R43.htm | 14963 | 2019-01-09 13:16:39 |
| R44.htm | 28548 | 2019-01-09 13:16:39 |
| R45.htm | 13271 | 2019-01-09 13:16:39 |
| R46.htm | 25789 | 2019-01-09 13:16:39 |
| R47.htm | 16744 | 2019-01-09 13:16:39 |
| R48.htm | 49706 | 2019-01-09 13:16:39 |
| R49.htm | 20838 | 2019-01-09 13:16:39 |
| R5.htm | 31514 | 2019-01-09 13:16:39 |
| R50.htm | 11826 | 2019-01-09 13:16:39 |
| R51.htm | 18631 | 2019-01-09 13:16:39 |
| R52.htm | 21308 | 2019-01-09 13:16:39 |
| R53.htm | 21316 | 2019-01-09 13:16:39 |
| R54.htm | 15821 | 2019-01-09 13:16:39 |
| R55.htm | 19710 | 2019-01-09 13:16:39 |
| R56.htm | 5034 | 2019-01-09 13:16:39 |
| R57.htm | 13483 | 2019-01-09 13:16:39 |
| R58.htm | 24410 | 2019-01-09 13:16:39 |
| R59.htm | 28013 | 2019-01-09 13:16:39 |
| R6.htm | 5977 | 2019-01-09 13:16:39 |
| R60.htm | 6233 | 2019-01-09 13:16:39 |
| R61.htm | 35649 | 2019-01-09 13:16:39 |
| R62.htm | 8583 | 2019-01-09 13:16:39 |
| R63.htm | 30193 | 2019-01-09 13:16:39 |
| R64.htm | 22167 | 2019-01-09 13:16:39 |
| R65.htm | 24094 | 2019-01-09 13:16:39 |
| R7.htm | 56814 | 2019-01-09 13:16:39 |
| R8.htm | 4800 | 2019-01-09 13:16:39 |
| R9.htm | 102802 | 2019-01-09 13:16:39 |
| report.css | 2767 | 2019-01-09 13:16:39 |
| Show.js | 1085 | 2019-01-09 13:16:39 |