Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000072162-23-000018-index-headers.html | 2023-05-03 16:23:22 | |
| 0000072162-23-000018-index.html | 2023-05-03 16:23:22 | |
| 0000072162-23-000018.txt | 2023-05-03 16:23:22 | |
 0000072162-23-000018-xbrl.zip | 18177 | 2023-05-03 16:23:22 |
| FilingSummary.xml | 1955 | 2023-05-03 16:23:22 |
| Financial_Report.xlsx | 5699 | 2023-05-03 16:23:22 |
| MetaLinks.json | 16809 | 2023-05-03 16:23:22 |
| nl-20230503.xsd | 3094 | 2023-05-03 16:23:22 |
| nl-20230503x8k.htm | 54820 | 2023-05-03 16:23:22 |
| nl-20230503x8k_htm.xml | 4776 | 2023-05-03 16:23:22 |
| nl-20230503xex99d1.htm | 126302 | 2023-05-03 16:23:22 |
 nl-20230503xex99d1001.jpg | 3363 | 2023-05-03 16:23:22 |
| nl-20230503_lab.xml | 15898 | 2023-05-03 16:23:22 |
| nl-20230503_pre.xml | 10366 | 2023-05-03 16:23:22 |
| R1.htm | 39593 | 2023-05-03 16:23:22 |
| report.css | 2767 | 2023-05-03 16:23:22 |
| Show.js | 1085 | 2023-05-03 16:23:22 |