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| 0000071829-23-000116-index.html | 2023-06-20 08:25:31 | |
| 0000071829-23-000116.txt | 2023-06-20 08:25:31 | |
 0000071829-23-000116-xbrl.zip | 46321 | 2023-06-20 08:25:31 |
| a20238kjun20exhibit991.htm | 12330 | 2023-06-20 08:25:31 |
| FilingSummary.xml | 1708 | 2023-06-20 08:25:31 |
| Financial_Report.xlsx | 5704 | 2023-06-20 08:25:31 |
| MetaLinks.json | 17645 | 2023-06-20 08:25:31 |
 newparklogo2023.jpg | 54389 | 2023-06-20 08:25:31 |
| nr-20230620.htm | 39325 | 2023-06-20 08:25:31 |
| nr-20230620.xsd | 1908 | 2023-06-20 08:25:31 |
 nr-20230620_g1.jpg | 54389 | 2023-06-20 08:25:31 |
| nr-20230620_htm.xml | 11572 | 2023-06-20 08:25:31 |
| nr-20230620_lab.xml | 25156 | 2023-06-20 08:25:31 |
| nr-20230620_pre.xml | 13056 | 2023-06-20 08:25:31 |
| R1.htm | 39610 | 2023-06-20 08:25:31 |
| report.css | 2767 | 2023-06-20 08:25:31 |
| Show.js | 1085 | 2023-06-20 08:25:31 |