Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000066570-21-000049-index-headers.html | 2021-10-27 18:02:28 | |
| 0000066570-21-000049-index.html | 2021-10-27 18:02:28 | |
| 0000066570-21-000049.txt | 2021-10-27 18:02:28 | |
 0000066570-21-000049-xbrl.zip | 38152 | 2021-10-27 18:02:28 |
| exhibit991q32021earningspr.htm | 447811 | 2021-10-27 18:02:28 |
| FilingSummary.xml | 1742 | 2021-10-27 18:02:28 |
| Financial_Report.xlsx | 5703 | 2021-10-27 18:02:28 |
| MetaLinks.json | 17282 | 2021-10-27 18:02:28 |
| msa-20211027.htm | 37341 | 2021-10-27 18:02:28 |
| msa-20211027.xsd | 1952 | 2021-10-27 18:02:28 |
 msa-20211027_g1.jpg | 7880 | 2021-10-27 18:02:28 |
| msa-20211027_htm.xml | 11333 | 2021-10-27 18:02:28 |
| msa-20211027_lab.xml | 24275 | 2021-10-27 18:02:28 |
| msa-20211027_pre.xml | 12683 | 2021-10-27 18:02:28 |
 msa01.jpg | 7593 | 2021-10-27 18:02:28 |
| R1.htm | 39659 | 2021-10-27 18:02:28 |
| report.css | 2767 | 2021-10-27 18:02:28 |
| Show.js | 1085 | 2021-10-27 18:02:28 |