Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000050725-19-000077-index-headers.html | 2019-11-21 21:41:56 | |
| 0000050725-19-000077-index.html | 2019-11-21 21:41:56 | |
| 0000050725-19-000077.txt | 2019-11-21 21:41:56 | |
 0000050725-19-000077-xbrl.zip | 725656 | 2019-11-21 21:41:56 |
 chart-d1bf17ff776f5acf822.jpg | 52035 | 2019-11-21 21:41:56 |
| FilingSummary.xml | 78950 | 2019-11-21 21:41:56 |
| Financial_Report.xlsx | 209276 | 2019-11-21 21:41:56 |
| gff-20190930.xsd | 134438 | 2019-11-21 21:41:56 |
| gff-20190930x10k.htm | 5200604 | 2019-11-21 21:41:56 |
| gff-20190930x10k_htm.xml | 6449622 | 2019-11-21 21:41:56 |
| gff-20190930_cal.xml | 191908 | 2019-11-21 21:41:56 |
| gff-20190930_def.xml | 785262 | 2019-11-21 21:41:56 |
| gff-20190930_lab.xml | 1647632 | 2019-11-21 21:41:56 |
| gff-20190930_pre.xml | 1093981 | 2019-11-21 21:41:56 |
| gff-2019x09x30x19xexhibit21.htm | 24984 | 2019-11-21 21:41:56 |
| gff-2019x09x30xexhibit311.htm | 14046 | 2019-11-21 21:41:56 |
| gff-2019x09x30xexhibit32.htm | 9755 | 2019-11-21 21:41:56 |
| gff-2019x09x30xexhibitx23.htm | 3144 | 2019-11-21 21:41:56 |
| gff-2019x09x30xexhibitx312.htm | 14113 | 2019-11-21 21:41:56 |
| MetaLinks.json | 1292276 | 2019-11-21 21:41:56 |
| R1.htm | 60987 | 2019-11-21 21:41:56 |
| R10.htm | 12580 | 2019-11-21 21:41:56 |
| R100.htm | 67204 | 2019-11-21 21:41:56 |
| R101.htm | 22245 | 2019-11-21 21:41:56 |
| R102.htm | 38292 | 2019-11-21 21:41:56 |
| R103.htm | 47095 | 2019-11-21 21:41:56 |
| R104.htm | 22679 | 2019-11-21 21:41:56 |
| R105.htm | 17407 | 2019-11-21 21:41:56 |
| R106.htm | 21627 | 2019-11-21 21:41:56 |
| R107.htm | 7748 | 2019-11-21 21:41:56 |
| R108.htm | 33363 | 2019-11-21 21:41:56 |
| R109.htm | 12730 | 2019-11-21 21:41:56 |
| R11.htm | 15872 | 2019-11-21 21:41:56 |
| R110.htm | 11973 | 2019-11-21 21:41:56 |
| R111.htm | 16818 | 2019-11-21 21:41:56 |
| R112.htm | 13580 | 2019-11-21 21:41:56 |
| R113.htm | 130549 | 2019-11-21 21:41:56 |
| R114.htm | 127259 | 2019-11-21 21:41:56 |
| R115.htm | 117269 | 2019-11-21 21:41:56 |
| R116.htm | 5472 | 2019-11-21 21:41:56 |
| R117.htm | 27881 | 2019-11-21 21:41:56 |
| R12.htm | 66355 | 2019-11-21 21:41:56 |
| R13.htm | 66027 | 2019-11-21 21:41:56 |
| R14.htm | 20776 | 2019-11-21 21:41:56 |
| R15.htm | 17035 | 2019-11-21 21:41:56 |
| R16.htm | 275117 | 2019-11-21 21:41:56 |
| R17.htm | 257789 | 2019-11-21 21:41:56 |
| R18.htm | 140302 | 2019-11-21 21:41:56 |
| R19.htm | 44300 | 2019-11-21 21:41:56 |
| R2.htm | 86915 | 2019-11-21 21:41:56 |
| R20.htm | 21215 | 2019-11-21 21:41:56 |
| R21.htm | 17415 | 2019-11-21 21:41:56 |
| R22.htm | 7413 | 2019-11-21 21:41:56 |
| R23.htm | 55182 | 2019-11-21 21:41:56 |
| R24.htm | 188209 | 2019-11-21 21:41:56 |
| R25.htm | 5981 | 2019-11-21 21:41:56 |
| R26.htm | 70838 | 2019-11-21 21:41:56 |
| R27.htm | 754513 | 2019-11-21 21:41:56 |
| R28.htm | 5702 | 2019-11-21 21:41:56 |
| R29.htm | 119614 | 2019-11-21 21:41:56 |
| R3.htm | 21464 | 2019-11-21 21:41:56 |
| R30.htm | 126296 | 2019-11-21 21:41:56 |
| R31.htm | 72276 | 2019-11-21 21:41:56 |
| R32.htm | 57683 | 2019-11-21 21:41:56 |
| R33.htm | 13472 | 2019-11-21 21:41:56 |
| R34.htm | 15884 | 2019-11-21 21:41:56 |
| R35.htm | 61619 | 2019-11-21 21:41:56 |
| R36.htm | 87182 | 2019-11-21 21:41:56 |
| R37.htm | 20411 | 2019-11-21 21:41:56 |
| R38.htm | 15533 | 2019-11-21 21:41:56 |
| R39.htm | 271186 | 2019-11-21 21:41:56 |
| R4.htm | 95772 | 2019-11-21 21:41:56 |
| R40.htm | 246058 | 2019-11-21 21:41:56 |
| R41.htm | 132087 | 2019-11-21 21:41:56 |
| R42.htm | 26680 | 2019-11-21 21:41:56 |
| R43.htm | 17416 | 2019-11-21 21:41:56 |
| R44.htm | 52001 | 2019-11-21 21:41:56 |
| R45.htm | 187007 | 2019-11-21 21:41:56 |
| R46.htm | 74335 | 2019-11-21 21:41:56 |
| R47.htm | 754734 | 2019-11-21 21:41:56 |
| R48.htm | 215442 | 2019-11-21 21:41:56 |
| R49.htm | 103265 | 2019-11-21 21:41:56 |
| R5.htm | 106051 | 2019-11-21 21:41:56 |
| R50.htm | 42850 | 2019-11-21 21:41:56 |
| R51.htm | 11938 | 2019-11-21 21:41:56 |
| R52.htm | 157393 | 2019-11-21 21:41:56 |
| R53.htm | 37468 | 2019-11-21 21:41:56 |
| R54.htm | 16502 | 2019-11-21 21:41:56 |
| R55.htm | 7100 | 2019-11-21 21:41:56 |
| R56.htm | 35505 | 2019-11-21 21:41:56 |
| R57.htm | 16474 | 2019-11-21 21:41:56 |
| R58.htm | 11070 | 2019-11-21 21:41:56 |
| R59.htm | 16956 | 2019-11-21 21:41:56 |
| R6.htm | 84489 | 2019-11-21 21:41:56 |
| R60.htm | 21267 | 2019-11-21 21:41:56 |
| R61.htm | 18360 | 2019-11-21 21:41:56 |
| R62.htm | 27468 | 2019-11-21 21:41:56 |
| R63.htm | 44481 | 2019-11-21 21:41:56 |
| R64.htm | 27034 | 2019-11-21 21:41:56 |
| R65.htm | 33903 | 2019-11-21 21:41:56 |
| R66.htm | 19992 | 2019-11-21 21:41:56 |
| R67.htm | 23556 | 2019-11-21 21:41:56 |
| R68.htm | 12809 | 2019-11-21 21:41:56 |
| R69.htm | 11810 | 2019-11-21 21:41:56 |
| R7.htm | 100919 | 2019-11-21 21:41:56 |
| R70.htm | 13883 | 2019-11-21 21:41:56 |
| R71.htm | 599808 | 2019-11-21 21:41:56 |
| R72.htm | 98690 | 2019-11-21 21:41:56 |
| R73.htm | 46581 | 2019-11-21 21:41:56 |
| R74.htm | 59254 | 2019-11-21 21:41:56 |
| R75.htm | 26689 | 2019-11-21 21:41:56 |
| R76.htm | 11599 | 2019-11-21 21:41:56 |
| R77.htm | 77362 | 2019-11-21 21:41:56 |
| R78.htm | 8548 | 2019-11-21 21:41:56 |
| R79.htm | 17741 | 2019-11-21 21:41:56 |
| R8.htm | 95144 | 2019-11-21 21:41:56 |
| R80.htm | 19262 | 2019-11-21 21:41:56 |
| R81.htm | 55636 | 2019-11-21 21:41:56 |
| R82.htm | 9091 | 2019-11-21 21:41:56 |
| R83.htm | 13967 | 2019-11-21 21:41:56 |
| R84.htm | 10373 | 2019-11-21 21:41:56 |
| R85.htm | 17680 | 2019-11-21 21:41:56 |
| R86.htm | 41958 | 2019-11-21 21:41:56 |
| R87.htm | 38548 | 2019-11-21 21:41:56 |
| R88.htm | 47096 | 2019-11-21 21:41:56 |
| R89.htm | 12746 | 2019-11-21 21:41:56 |
| R9.htm | 66713 | 2019-11-21 21:41:56 |
| R90.htm | 15840 | 2019-11-21 21:41:56 |
| R91.htm | 261849 | 2019-11-21 21:41:56 |
| R92.htm | 9081 | 2019-11-21 21:41:56 |
| R93.htm | 9599 | 2019-11-21 21:41:56 |
| R94.htm | 24754 | 2019-11-21 21:41:56 |
| R95.htm | 34008 | 2019-11-21 21:41:56 |
| R96.htm | 16985 | 2019-11-21 21:41:56 |
| R97.htm | 25242 | 2019-11-21 21:41:56 |
| R98.htm | 14372 | 2019-11-21 21:41:56 |
| R99.htm | 21788 | 2019-11-21 21:41:56 |
| report.css | 2767 | 2019-11-21 21:41:56 |
| Show.js | 1086 | 2019-11-21 21:41:56 |