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| 0000073088-16-000328-index.html | 2016-07-21 18:00:50 | |
| 0000073088-16-000328.txt | 2016-07-21 18:00:50 | |
 0000073088-16-000328-xbrl.zip | 200284 | 2016-07-21 18:00:50 |
| ex311certificationq22016.htm | 13895 | 2016-07-21 18:00:50 |
| ex312certificationq22016.htm | 13586 | 2016-07-21 18:00:50 |
| ex321certificationq22016.htm | 6911 | 2016-07-21 18:00:50 |
| ex322certificationq22016.htm | 6878 | 2016-07-21 18:00:50 |
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| Financial_Report.xlsx | 74676 | 2016-07-21 18:00:50 |
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| nwe-20160630.xml | 1942371 | 2016-07-21 18:00:50 |
| nwe-20160630.xsd | 36466 | 2016-07-21 18:00:50 |
| nwe-20160630_cal.xml | 87360 | 2016-07-21 18:00:50 |
| nwe-20160630_def.xml | 273172 | 2016-07-21 18:00:50 |
| nwe-20160630_lab.xml | 556623 | 2016-07-21 18:00:50 |
| nwe-20160630_pre.xml | 319544 | 2016-07-21 18:00:50 |
| nwe-63016x10q.htm | 2133421 | 2016-07-21 18:00:50 |
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| report.css | 2767 | 2016-07-21 18:00:50 |
| Show.js | 1410 | 2016-07-21 18:00:50 |