Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000066570-20-000031-index-headers.html | 2020-07-29 17:03:39 | |
| 0000066570-20-000031-index.html | 2020-07-29 17:03:39 | |
| 0000066570-20-000031.txt | 2020-07-29 17:03:39 | |
 0000066570-20-000031-xbrl.zip | 44115 | 2020-07-29 17:03:39 |
| exhibit9912q2020earnin.htm | 729937 | 2020-07-29 17:03:39 |
| FilingSummary.xml | 1813 | 2020-07-29 17:03:39 |
| Financial_Report.xlsx | 5460 | 2020-07-29 17:03:39 |
| MetaLinks.json | 17703 | 2020-07-29 17:03:39 |
| msa-20200729.htm | 48251 | 2020-07-29 17:03:39 |
| msa-20200729.xsd | 2459 | 2020-07-29 17:03:39 |
| msa-20200729_cal.xml | 747 | 2020-07-29 17:03:39 |
| msa-20200729_def.xml | 1692 | 2020-07-29 17:03:39 |
 msa-20200729_g1.jpg | 7880 | 2020-07-29 17:03:39 |
| msa-20200729_htm.xml | 12267 | 2020-07-29 17:03:39 |
| msa-20200729_lab.xml | 24275 | 2020-07-29 17:03:39 |
| msa-20200729_pre.xml | 12683 | 2020-07-29 17:03:39 |
 msa011.jpg | 7593 | 2020-07-29 17:03:39 |
| R1.htm | 38626 | 2020-07-29 17:03:39 |
| report.css | 2767 | 2020-07-29 17:03:39 |
| Show.js | 1085 | 2020-07-29 17:03:39 |