Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000070145-20-000010-index-headers.html | 2020-05-01 07:24:03 | |
| 0000070145-20-000010-index.html | 2020-05-01 07:24:03 | |
| 0000070145-20-000010.txt | 2020-05-01 07:24:03 | |
 0000070145-20-000010-xbrl.zip | 89817 | 2020-05-01 07:24:03 |
 exhibit998kimagea15.jpg | 38108 | 2020-05-01 07:24:03 |
| FilingSummary.xml | 1798 | 2020-05-01 07:24:03 |
| Financial_Report.xlsx | 5799 | 2020-05-01 07:24:03 |
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| nfg-20200331.xsd | 4519 | 2020-05-01 07:24:03 |
| nfg-20200331_cal.xml | 690 | 2020-05-01 07:24:03 |
| nfg-20200331_def.xml | 1540 | 2020-05-01 07:24:03 |
| nfg-20200331_lab.xml | 26147 | 2020-05-01 07:24:03 |
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| nfg-3312020xexhibit99x.htm | 2677875 | 2020-05-01 07:24:03 |
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| nfg-512020x8k_htm.xml | 4258 | 2020-05-01 07:24:03 |
| R1.htm | 38627 | 2020-05-01 07:24:03 |
| report.css | 2767 | 2020-05-01 07:24:03 |
| Show.js | 1085 | 2020-05-01 07:24:03 |