Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000072162-25-000023-index-headers.html | 2025-07-17 16:28:17 | |
| 0000072162-25-000023-index.html | 2025-07-17 16:28:17 | |
| 0000072162-25-000023.txt | 2025-07-17 16:28:17 | |
 0000072162-25-000023-xbrl.zip | 10190 | 2025-07-17 16:28:17 |
| FilingSummary.xml | 1690 | 2025-07-17 16:28:17 |
| MetaLinks.json | 16840 | 2025-07-17 16:28:17 |
| nl-20250717.xsd | 3231 | 2025-07-17 16:28:17 |
| nl-20250717x8k.htm | 58112 | 2025-07-17 16:28:17 |
| nl-20250717x8k_htm.xml | 4822 | 2025-07-17 16:28:17 |
| nl-20250717_lab.xml | 15900 | 2025-07-17 16:28:17 |
| nl-20250717_pre.xml | 10368 | 2025-07-17 16:28:17 |
| R1.htm | 39578 | 2025-07-17 16:28:17 |
| report.css | 2766 | 2025-07-17 16:28:17 |
| Show.js | 1084 | 2025-07-17 16:28:17 |