Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000072162-23-000011-index-headers.html | 2023-03-08 16:30:20 | |
| 0000072162-23-000011-index.html | 2023-03-08 16:30:20 | |
| 0000072162-23-000011.txt | 2023-03-08 16:30:20 | |
 0000072162-23-000011-xbrl.zip | 20172 | 2023-03-08 16:30:20 |
| FilingSummary.xml | 1955 | 2023-03-08 16:30:20 |
| Financial_Report.xlsx | 5701 | 2023-03-08 16:30:20 |
| MetaLinks.json | 16809 | 2023-03-08 16:30:20 |
| nl-20230308.xsd | 3094 | 2023-03-08 16:30:20 |
| nl-20230308x8k.htm | 54785 | 2023-03-08 16:30:20 |
| nl-20230308x8k_htm.xml | 4776 | 2023-03-08 16:30:20 |
| nl-20230308xex99d1.htm | 201655 | 2023-03-08 16:30:20 |
 nl-20230308xex99d1001.jpg | 3363 | 2023-03-08 16:30:20 |
| nl-20230308_lab.xml | 15898 | 2023-03-08 16:30:20 |
| nl-20230308_pre.xml | 10366 | 2023-03-08 16:30:20 |
| R1.htm | 39595 | 2023-03-08 16:30:20 |
| report.css | 2767 | 2023-03-08 16:30:20 |
| Show.js | 1085 | 2023-03-08 16:30:20 |