Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000066570-21-000026-index-headers.html | 2021-05-19 13:48:16 | |
| 0000066570-21-000026-index.html | 2021-05-19 13:48:16 | |
| 0000066570-21-000026.txt | 2021-05-19 13:48:16 | |
 0000066570-21-000026-xbrl.zip | 18981 | 2021-05-19 13:48:16 |
| FilingSummary.xml | 1694 | 2021-05-19 13:48:16 |
| Financial_Report.xlsx | 5708 | 2021-05-19 13:48:16 |
| MetaLinks.json | 17536 | 2021-05-19 13:48:16 |
| msa-20210519.htm | 47769 | 2021-05-19 13:48:16 |
| msa-20210519.xsd | 1952 | 2021-05-19 13:48:16 |
 msa-20210519_g1.jpg | 7880 | 2021-05-19 13:48:16 |
| msa-20210519_htm.xml | 11333 | 2021-05-19 13:48:16 |
| msa-20210519_lab.xml | 24275 | 2021-05-19 13:48:16 |
| msa-20210519_pre.xml | 12683 | 2021-05-19 13:48:16 |
| R1.htm | 39656 | 2021-05-19 13:48:16 |
| report.css | 2767 | 2021-05-19 13:48:16 |
| Show.js | 1084 | 2021-05-19 13:48:16 |