Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000066570-20-000037-index-headers.html | 2020-10-28 17:12:10 | |
| 0000066570-20-000037-index.html | 2020-10-28 17:12:10 | |
| 0000066570-20-000037.txt | 2020-10-28 17:12:10 | |
 0000066570-20-000037-xbrl.zip | 39442 | 2020-10-28 17:12:10 |
| exhibit9913q2020earnin.htm | 407461 | 2020-10-28 17:12:10 |
| FilingSummary.xml | 1813 | 2020-10-28 17:12:10 |
| Financial_Report.xlsx | 5460 | 2020-10-28 17:12:10 |
| MetaLinks.json | 17703 | 2020-10-28 17:12:10 |
| msa-20201028.htm | 38914 | 2020-10-28 17:12:10 |
| msa-20201028.xsd | 2459 | 2020-10-28 17:12:10 |
| msa-20201028_cal.xml | 747 | 2020-10-28 17:12:10 |
| msa-20201028_def.xml | 1692 | 2020-10-28 17:12:10 |
 msa-20201028_g1.jpg | 7880 | 2020-10-28 17:12:10 |
| msa-20201028_htm.xml | 12335 | 2020-10-28 17:12:10 |
| msa-20201028_lab.xml | 24275 | 2020-10-28 17:12:10 |
| msa-20201028_pre.xml | 12683 | 2020-10-28 17:12:10 |
 msa011.jpg | 7593 | 2020-10-28 17:12:10 |
| R1.htm | 38626 | 2020-10-28 17:12:10 |
| report.css | 2767 | 2020-10-28 17:12:10 |
| Show.js | 1085 | 2020-10-28 17:12:10 |