Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-318222-index-headers.html | 2020-12-15 17:17:04 | |
| 0001193125-20-318222-index.html | 2020-12-15 17:17:04 | |
| 0001193125-20-318222.txt | 2020-12-15 17:17:04 | |
 0001193125-20-318222-xbrl.zip | 33820 | 2020-12-15 17:17:04 |
| d50590d8k.htm | 46533 | 2020-12-15 17:17:04 |
| d50590d8k_htm.xml | 3481 | 2020-12-15 17:17:04 |
| d50590dex31.htm | 121242 | 2020-12-15 17:17:04 |
| d50590dex99.htm | 6503 | 2020-12-15 17:17:04 |
| FilingSummary.xml | 1759 | 2020-12-15 17:17:04 |
| Financial_Report.xlsx | 5480 | 2020-12-15 17:17:04 |
 g50590g1215080426941.jpg | 4593 | 2020-12-15 17:17:04 |
 g50590g1215080427440.jpg | 5276 | 2020-12-15 17:17:04 |
| MetaLinks.json | 19023 | 2020-12-15 17:17:04 |
| nfg-20201210.xsd | 3088 | 2020-12-15 17:17:04 |
| nfg-20201210_lab.xml | 18125 | 2020-12-15 17:17:04 |
| nfg-20201210_pre.xml | 11418 | 2020-12-15 17:17:04 |
| R1.htm | 40157 | 2020-12-15 17:17:04 |
| report.css | 2767 | 2020-12-15 17:17:04 |
| Show.js | 1085 | 2020-12-15 17:17:04 |