Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-216466-index-headers.html | 2020-08-11 17:10:55 | |
| 0001193125-20-216466-index.html | 2020-08-11 17:10:55 | |
| 0001193125-20-216466.txt | 2020-08-11 17:10:55 | |
 0001193125-20-216466-xbrl.zip | 11134 | 2020-08-11 17:10:55 |
| d31269d8k.htm | 24378 | 2020-08-11 17:10:55 |
| d31269d8k_htm.xml | 3274 | 2020-08-11 17:10:55 |
| d31269dex51.htm | 12017 | 2020-08-11 17:10:55 |
| FilingSummary.xml | 1726 | 2020-08-11 17:10:55 |
| Financial_Report.xlsx | 5453 | 2020-08-11 17:10:55 |
 g31269im2.jpg | 16521 | 2020-08-11 17:10:55 |
| MetaLinks.json | 18402 | 2020-08-11 17:10:55 |
| nfg-20200811.xsd | 3087 | 2020-08-11 17:10:55 |
| nfg-20200811_lab.xml | 17373 | 2020-08-11 17:10:55 |
| nfg-20200811_pre.xml | 10965 | 2020-08-11 17:10:55 |
| R1.htm | 38618 | 2020-08-11 17:10:55 |
| report.css | 2767 | 2020-08-11 17:10:55 |
| Show.js | 1085 | 2020-08-11 17:10:55 |