Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000066570-22-000010-index-headers.html | 2022-04-27 20:46:27 | |
| 0000066570-22-000010-index.html | 2022-04-27 20:46:27 | |
| 0000066570-22-000010.txt | 2022-04-27 20:46:27 | |
 0000066570-22-000010-xbrl.zip | 32528 | 2022-04-27 20:46:27 |
| exhibit991q12022earningspr.htm | 279013 | 2022-04-27 20:46:27 |
| FilingSummary.xml | 1749 | 2022-04-27 20:46:27 |
| Financial_Report.xlsx | 5680 | 2022-04-27 20:46:27 |
| MetaLinks.json | 17014 | 2022-04-27 20:46:27 |
| msa-20220427.htm | 38713 | 2022-04-27 20:46:27 |
| msa-20220427.xsd | 1946 | 2022-04-27 20:46:27 |
 msa-20220427_g1.jpg | 7880 | 2022-04-27 20:46:27 |
| msa-20220427_htm.xml | 11084 | 2022-04-27 20:46:27 |
| msa-20220427_lab.xml | 24229 | 2022-04-27 20:46:27 |
| msa-20220427_pre.xml | 12637 | 2022-04-27 20:46:27 |
 msa01a.jpg | 7593 | 2022-04-27 20:46:27 |
| R1.htm | 38710 | 2022-04-27 20:46:27 |
| report.css | 2767 | 2022-04-27 20:46:27 |
| Show.js | 1085 | 2022-04-27 20:46:27 |