Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000072162-23-000026-index-headers.html | 2023-08-02 16:24:43 | |
| 0000072162-23-000026-index.html | 2023-08-02 16:24:43 | |
| 0000072162-23-000026.txt | 2023-08-02 16:24:43 | |
 0000072162-23-000026-xbrl.zip | 21839 | 2023-08-02 16:24:43 |
| FilingSummary.xml | 1995 | 2023-08-02 16:24:43 |
| Financial_Report.xlsx | 5700 | 2023-08-02 16:24:43 |
| MetaLinks.json | 16809 | 2023-08-02 16:24:43 |
| nl-20230802.xsd | 3094 | 2023-08-02 16:24:43 |
| nl-20230802x8k.htm | 56364 | 2023-08-02 16:24:43 |
| nl-20230802x8k_htm.xml | 4776 | 2023-08-02 16:24:43 |
| nl-20230802xex99d1.htm | 200915 | 2023-08-02 16:24:43 |
 nl-20230802xex99d1001.jpg | 3363 | 2023-08-02 16:24:43 |
| nl-20230802xex99d2.htm | 5564 | 2023-08-02 16:24:43 |
 nl-20230802xex99d2001.jpg | 2474 | 2023-08-02 16:24:43 |
| nl-20230802_lab.xml | 15898 | 2023-08-02 16:24:43 |
| nl-20230802_pre.xml | 10366 | 2023-08-02 16:24:43 |
| R1.htm | 39595 | 2023-08-02 16:24:43 |
| report.css | 2767 | 2023-08-02 16:24:43 |
| Show.js | 1085 | 2023-08-02 16:24:43 |