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| 0000071829-19-000117-index.html | 2019-07-31 12:05:23 | |
| 0000071829-19-000117.txt | 2019-07-31 12:05:23 | |
 0000071829-19-000117-xbrl.zip | 213388 | 2019-07-31 12:05:23 |
| a2019q210q.htm | 1413448 | 2019-07-31 12:05:23 |
| a2019q210qexhibit108.htm | 50216 | 2019-07-31 12:05:23 |
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| a2019q210qexhibit951.htm | 50312 | 2019-07-31 12:05:23 |
| a2019q210q_htm.xml | 1028333 | 2019-07-31 12:05:23 |
| FilingSummary.xml | 29653 | 2019-07-31 12:05:23 |
| Financial_Report.xlsx | 55444 | 2019-07-31 12:05:23 |
| MetaLinks.json | 465037 | 2019-07-31 12:05:23 |
| nr-20190630.xsd | 40555 | 2019-07-31 12:05:23 |
| nr-20190630_cal.xml | 90211 | 2019-07-31 12:05:23 |
| nr-20190630_def.xml | 153217 | 2019-07-31 12:05:23 |
| nr-20190630_lab.xml | 534580 | 2019-07-31 12:05:23 |
| nr-20190630_pre.xml | 298473 | 2019-07-31 12:05:23 |
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| report.css | 2767 | 2019-07-31 12:05:23 |
| Show.js | 1085 | 2019-07-31 12:05:23 |