Parent Directory| Name | Size | Last Modified |
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| 0000071829-22-000009-index.html | 2022-02-18 16:33:38 | |
| 0000071829-22-000009.txt | 2022-02-18 16:33:38 | |
 0000071829-22-000009-xbrl.zip | 49726 | 2022-02-18 16:33:38 |
| a20228kfeb17exhibit101.htm | 139657 | 2022-02-18 16:33:38 |
| a20228kfeb17exhibit991.htm | 12726 | 2022-02-18 16:33:38 |
| FilingSummary.xml | 1792 | 2022-02-18 16:33:38 |
| Financial_Report.xlsx | 5718 | 2022-02-18 16:33:38 |
 image_01a.jpg | 77366 | 2022-02-18 16:33:38 |
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| nr-20220217.htm | 49927 | 2022-02-18 16:33:38 |
| nr-20220217.xsd | 2300 | 2022-02-18 16:33:38 |
| nr-20220217_def.xml | 5693 | 2022-02-18 16:33:38 |
 nr-20220217_g1.jpg | 11318 | 2022-02-18 16:33:38 |
| nr-20220217_htm.xml | 12172 | 2022-02-18 16:33:38 |
| nr-20220217_lab.xml | 29996 | 2022-02-18 16:33:38 |
| nr-20220217_pre.xml | 15747 | 2022-02-18 16:33:38 |
| R1.htm | 43041 | 2022-02-18 16:33:38 |
| report.css | 2767 | 2022-02-18 16:33:38 |
| Show.js | 1085 | 2022-02-18 16:33:38 |