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| 0000070145-16-000095-index.html | 2016-02-05 15:14:12 | |
| 0000070145-16-000095.txt | 2016-02-05 15:14:12 | |
 0000070145-16-000095-xbrl.zip | 215322 | 2016-02-05 15:14:12 |
| FilingSummary.xml | 29635 | 2016-02-05 15:14:12 |
| Financial_Report.xlsx | 70378 | 2016-02-05 15:14:12 |
| nfg-12312015x10q.htm | 1265983 | 2016-02-05 15:14:12 |
| nfg-12312015xexhibit101.htm | 44845 | 2016-02-05 15:14:12 |
| nfg-12312015xexhibit102.htm | 45990 | 2016-02-05 15:14:12 |
| nfg-12312015xexhibit103.htm | 31074 | 2016-02-05 15:14:12 |
| nfg-12312015xexhibit12.htm | 67828 | 2016-02-05 15:14:12 |
| nfg-12312015xexhibit311.htm | 9830 | 2016-02-05 15:14:12 |
| nfg-12312015xexhibit312.htm | 9654 | 2016-02-05 15:14:12 |
| nfg-12312015xexhibit32.htm | 6032 | 2016-02-05 15:14:12 |
| nfg-12312015xexhibit99.htm | 56311 | 2016-02-05 15:14:12 |
| nfg-20151231.xml | 1696970 | 2016-02-05 15:14:12 |
| nfg-20151231.xsd | 56879 | 2016-02-05 15:14:12 |
| nfg-20151231_cal.xml | 90037 | 2016-02-05 15:14:12 |
| nfg-20151231_def.xml | 219303 | 2016-02-05 15:14:12 |
| nfg-20151231_lab.xml | 677827 | 2016-02-05 15:14:12 |
| nfg-20151231_pre.xml | 374754 | 2016-02-05 15:14:12 |
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| report.css | 2767 | 2016-02-05 15:14:12 |
| Show.js | 1410 | 2016-02-05 15:14:12 |