Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000072162-25-000026-index-headers.html | 2025-08-06 16:24:34 | |
| 0000072162-25-000026-index.html | 2025-08-06 16:24:34 | |
| 0000072162-25-000026.txt | 2025-08-06 16:24:34 | |
 0000072162-25-000026-xbrl.zip | 22749 | 2025-08-06 16:24:34 |
| FilingSummary.xml | 1690 | 2025-08-06 16:24:34 |
| MetaLinks.json | 16836 | 2025-08-06 16:24:34 |
| nl-20250806.xsd | 3229 | 2025-08-06 16:24:34 |
| nl-20250806x8k.htm | 58283 | 2025-08-06 16:24:34 |
| nl-20250806x8k_htm.xml | 4776 | 2025-08-06 16:24:34 |
| nl-20250806xex99d1.htm | 204008 | 2025-08-06 16:24:34 |
 nl-20250806xex99d1001.jpg | 3363 | 2025-08-06 16:24:34 |
| nl-20250806xex99d2.htm | 5563 | 2025-08-06 16:24:34 |
 nl-20250806xex99d2001.jpg | 2474 | 2025-08-06 16:24:34 |
| nl-20250806_lab.xml | 15898 | 2025-08-06 16:24:34 |
| nl-20250806_pre.xml | 10366 | 2025-08-06 16:24:34 |
| R1.htm | 39580 | 2025-08-06 16:24:34 |
| report.css | 2767 | 2025-08-06 16:24:34 |
| Show.js | 1085 | 2025-08-06 16:24:34 |