Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000072162-22-000009-index-headers.html | 2022-11-02 16:30:43 | |
| 0000072162-22-000009-index.html | 2022-11-02 16:30:43 | |
| 0000072162-22-000009.txt | 2022-11-02 16:30:43 | |
 0000072162-22-000009-xbrl.zip | 19942 | 2022-11-02 16:30:43 |
| FilingSummary.xml | 1957 | 2022-11-02 16:30:43 |
| Financial_Report.xlsx | 5703 | 2022-11-02 16:30:43 |
| MetaLinks.json | 16285 | 2022-11-02 16:30:43 |
| nl-20221102.xsd | 3096 | 2022-11-02 16:30:43 |
| nl-20221102x8k.htm | 47369 | 2022-11-02 16:30:43 |
| nl-20221102x8k_htm.xml | 4872 | 2022-11-02 16:30:43 |
| nl-20221102xex99d1.htm | 200763 | 2022-11-02 16:30:43 |
 nl-20221102xex99d1001.jpg | 2003 | 2022-11-02 16:30:43 |
| nl-20221102_lab.xml | 15900 | 2022-11-02 16:30:43 |
| nl-20221102_pre.xml | 10368 | 2022-11-02 16:30:43 |
| R1.htm | 39597 | 2022-11-02 16:30:43 |
| report.css | 2767 | 2022-11-02 16:30:43 |
| Show.js | 1085 | 2022-11-02 16:30:43 |