Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000066570-21-000033-index-headers.html | 2021-06-29 17:04:36 | |
| 0000066570-21-000033-index.html | 2021-06-29 17:04:36 | |
| 0000066570-21-000033.txt | 2021-06-29 17:04:36 | |
 0000066570-21-000033-xbrl.zip | 21197 | 2021-06-29 17:04:36 |
 a8kimage1a09a.jpg | 7880 | 2021-06-29 17:04:36 |
| FilingSummary.xml | 1741 | 2021-06-29 17:04:36 |
| Financial_Report.xlsx | 5681 | 2021-06-29 17:04:36 |
| lucasavielectedtomsaboard.htm | 11500 | 2021-06-29 17:04:36 |
| MetaLinks.json | 17536 | 2021-06-29 17:04:36 |
| msa-20210624.htm | 39999 | 2021-06-29 17:04:36 |
| msa-20210624.xsd | 1952 | 2021-06-29 17:04:36 |
 msa-20210624_g1.jpg | 7880 | 2021-06-29 17:04:36 |
| msa-20210624_htm.xml | 11008 | 2021-06-29 17:04:36 |
| msa-20210624_lab.xml | 24275 | 2021-06-29 17:04:36 |
| msa-20210624_pre.xml | 12683 | 2021-06-29 17:04:36 |
| R1.htm | 38625 | 2021-06-29 17:04:36 |
| report.css | 2767 | 2021-06-29 17:04:36 |
| Show.js | 1085 | 2021-06-29 17:04:36 |