Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000066570-20-000011-index-headers.html | 2020-03-20 08:01:44 | |
| 0000066570-20-000011-index.html | 2020-03-20 08:01:44 | |
| 0000066570-20-000011.txt | 2020-03-20 08:01:44 | |
 0000066570-20-000011-xbrl.zip | 22033 | 2020-03-20 08:01:44 |
| a8-kcovidx19riskfactor.htm | 49937 | 2020-03-20 08:01:44 |
| a8-kcovidx19riskfactor_htm.xml | 4312 | 2020-03-20 08:01:44 |
 a8kimage1a14.jpg | 7880 | 2020-03-20 08:01:44 |
| exhibit991-item1ariskf.htm | 6607 | 2020-03-20 08:01:44 |
| FilingSummary.xml | 1840 | 2020-03-20 08:01:44 |
| Financial_Report.xlsx | 5785 | 2020-03-20 08:01:44 |
| MetaLinks.json | 18767 | 2020-03-20 08:01:44 |
| msa-20200319.xsd | 4467 | 2020-03-20 08:01:44 |
| msa-20200319_cal.xml | 645 | 2020-03-20 08:01:44 |
| msa-20200319_def.xml | 1495 | 2020-03-20 08:01:44 |
| msa-20200319_lab.xml | 26142 | 2020-03-20 08:01:44 |
| msa-20200319_pre.xml | 13601 | 2020-03-20 08:01:44 |
| R1.htm | 38616 | 2020-03-20 08:01:44 |
| report.css | 2766 | 2020-03-20 08:01:44 |
| Show.js | 1085 | 2020-03-20 08:01:44 |