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|---|---|---|
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| 0000070145-17-000048-index.html | 2017-08-04 13:32:29 | |
| 0000070145-17-000048.txt | 2017-08-04 13:32:29 | |
 0000070145-17-000048-xbrl.zip | 235915 | 2017-08-04 13:32:29 |
| FilingSummary.xml | 28873 | 2017-08-04 13:32:29 |
| Financial_Report.xlsx | 72661 | 2017-08-04 13:32:29 |
| nfg-20170630.xml | 2036276 | 2017-08-04 13:32:29 |
| nfg-20170630.xsd | 58683 | 2017-08-04 13:32:29 |
| nfg-20170630_cal.xml | 90842 | 2017-08-04 13:32:29 |
| nfg-20170630_def.xml | 261888 | 2017-08-04 13:32:29 |
| nfg-20170630_lab.xml | 724190 | 2017-08-04 13:32:29 |
| nfg-20170630_pre.xml | 405980 | 2017-08-04 13:32:29 |
| nfg-6302017x10q.htm | 1574355 | 2017-08-04 13:32:29 |
| nfg-6302017xexhibit12.htm | 67868 | 2017-08-04 13:32:29 |
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| report.css | 2767 | 2017-08-04 13:32:29 |
| Show.js | 1410 | 2017-08-04 13:32:29 |