Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-158108-index-headers.html | 2020-06-02 11:27:14 | |
| 0001193125-20-158108-index.html | 2020-06-02 11:27:14 | |
| 0001193125-20-158108.txt | 2020-06-02 11:27:14 | |
 0001193125-20-158108-xbrl.zip | 42025 | 2020-06-02 11:27:14 |
| d904416d8k.htm | 31819 | 2020-06-02 11:27:14 |
| d904416d8k_htm.xml | 3274 | 2020-06-02 11:27:14 |
| d904416dex11.htm | 170448 | 2020-06-02 11:27:14 |
| d904416dex51.htm | 8346 | 2020-06-02 11:27:14 |
| FilingSummary.xml | 1764 | 2020-06-02 11:27:14 |
| Financial_Report.xlsx | 5783 | 2020-06-02 11:27:14 |
 g9044161.jpg | 12995 | 2020-06-02 11:27:14 |
 g9044162.jpg | 12064 | 2020-06-02 11:27:14 |
 g9044163.jpg | 9926 | 2020-06-02 11:27:14 |
| MetaLinks.json | 18408 | 2020-06-02 11:27:14 |
| nfg-20200602.xsd | 3086 | 2020-06-02 11:27:14 |
| nfg-20200602_lab.xml | 17372 | 2020-06-02 11:27:14 |
| nfg-20200602_pre.xml | 10964 | 2020-06-02 11:27:14 |
| R1.htm | 38615 | 2020-06-02 11:27:14 |
| report.css | 2767 | 2020-06-02 11:27:14 |
| Show.js | 1085 | 2020-06-02 11:27:14 |