Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000066570-22-000018-index-headers.html | 2022-05-13 10:51:30 | |
| 0000066570-22-000018-index.html | 2022-05-13 10:51:30 | |
| 0000066570-22-000018.txt | 2022-05-13 10:51:30 | |
 0000066570-22-000018-xbrl.zip | 19166 | 2022-05-13 10:51:30 |
| FilingSummary.xml | 1701 | 2022-05-13 10:51:30 |
| Financial_Report.xlsx | 5680 | 2022-05-13 10:51:30 |
| MetaLinks.json | 17014 | 2022-05-13 10:51:30 |
| msa-20220513.htm | 53779 | 2022-05-13 10:51:30 |
| msa-20220513.xsd | 1946 | 2022-05-13 10:51:30 |
 msa-20220513_g1.jpg | 7880 | 2022-05-13 10:51:30 |
| msa-20220513_htm.xml | 11084 | 2022-05-13 10:51:30 |
| msa-20220513_lab.xml | 24229 | 2022-05-13 10:51:30 |
| msa-20220513_pre.xml | 12637 | 2022-05-13 10:51:30 |
| R1.htm | 38708 | 2022-05-13 10:51:30 |
| report.css | 2767 | 2022-05-13 10:51:30 |
| Show.js | 1084 | 2022-05-13 10:51:30 |