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|---|---|---|
 0000071829-20-000101-index-headers.html | 2020-11-03 16:25:28 | |
| 0000071829-20-000101-index.html | 2020-11-03 16:25:28 | |
| 0000071829-20-000101.txt | 2020-11-03 16:25:28 | |
 0000071829-20-000101-xbrl.zip | 41470 | 2020-11-03 16:25:28 |
| a2020q38k-erex991.htm | 299272 | 2020-11-03 16:25:28 |
 ex99-1img001a101a.jpg | 5552 | 2020-11-03 16:25:28 |
| FilingSummary.xml | 1839 | 2020-11-03 16:25:28 |
| Financial_Report.xlsx | 5600 | 2020-11-03 16:25:28 |
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| nr-20201103.htm | 43099 | 2020-11-03 16:25:28 |
| nr-20201103.xsd | 2564 | 2020-11-03 16:25:28 |
| nr-20201103_cal.xml | 718 | 2020-11-03 16:25:28 |
| nr-20201103_def.xml | 6210 | 2020-11-03 16:25:28 |
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| nr-20201103_htm.xml | 14064 | 2020-11-03 16:25:28 |
| nr-20201103_lab.xml | 31084 | 2020-11-03 16:25:28 |
| nr-20201103_pre.xml | 16444 | 2020-11-03 16:25:28 |
| R1.htm | 45445 | 2020-11-03 16:25:28 |
| report.css | 2767 | 2020-11-03 16:25:28 |
| Show.js | 1085 | 2020-11-03 16:25:28 |