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|---|---|---|
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| 0000070145-18-000017-index.html | 2018-08-03 12:11:04 | |
| 0000070145-18-000017.txt | 2018-08-03 12:11:04 | |
 0000070145-18-000017-xbrl.zip | 240794 | 2018-08-03 12:11:04 |
| FilingSummary.xml | 28051 | 2018-08-03 12:11:04 |
| Financial_Report.xlsx | 74332 | 2018-08-03 12:11:04 |
| nfg-20180630.xml | 2061275 | 2018-08-03 12:11:04 |
| nfg-20180630.xsd | 59041 | 2018-08-03 12:11:04 |
| nfg-20180630_cal.xml | 83643 | 2018-08-03 12:11:04 |
| nfg-20180630_def.xml | 282266 | 2018-08-03 12:11:04 |
| nfg-20180630_lab.xml | 727426 | 2018-08-03 12:11:04 |
| nfg-20180630_pre.xml | 413654 | 2018-08-03 12:11:04 |
| nfg-6302018x10q.htm | 1576226 | 2018-08-03 12:11:04 |
| nfg-6302018xexhibit12.htm | 67902 | 2018-08-03 12:11:04 |
| nfg-6302018xexhibit311.htm | 9867 | 2018-08-03 12:11:04 |
| nfg-6302018xexhibit312.htm | 9691 | 2018-08-03 12:11:04 |
| nfg-6302018xexhibit32.htm | 6058 | 2018-08-03 12:11:04 |
| nfg-6302018xexhibit99.htm | 63262 | 2018-08-03 12:11:04 |
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| R9.htm | 124149 | 2018-08-03 12:11:04 |
| report.css | 2767 | 2018-08-03 12:11:04 |
| Show.js | 1410 | 2018-08-03 12:11:04 |