Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000013239-21-000018-index-headers.html | 2021-08-11 07:18:05 | |
| 0000013239-21-000018-index.html | 2021-08-11 07:18:05 | |
| 0000013239-21-000018.txt | 2021-08-11 07:18:05 | |
 0000013239-21-000018-xbrl.zip | 79267 | 2021-08-11 07:18:05 |
| exhibit991earningsrelease6.htm | 492256 | 2021-08-11 07:18:05 |
| FilingSummary.xml | 1737 | 2021-08-11 07:18:05 |
| Financial_Report.xlsx | 5541 | 2021-08-11 07:18:05 |
| hsc-20210811.htm | 29961 | 2021-08-11 07:18:05 |
| hsc-20210811.xsd | 2158 | 2021-08-11 07:18:05 |
| hsc-20210811_def.xml | 13206 | 2021-08-11 07:18:05 |
 hsc-20210811_g1.jpg | 56122 | 2021-08-11 07:18:05 |
| hsc-20210811_htm.xml | 9679 | 2021-08-11 07:18:05 |
| hsc-20210811_lab.xml | 25225 | 2021-08-11 07:18:05 |
| hsc-20210811_pre.xml | 13575 | 2021-08-11 07:18:05 |
 logo2002a03.jpg | 56122 | 2021-08-11 07:18:05 |
| MetaLinks.json | 17772 | 2021-08-11 07:18:05 |
| R1.htm | 34031 | 2021-08-11 07:18:05 |
| report.css | 2767 | 2021-08-11 07:18:05 |
| Show.js | 1085 | 2021-08-11 07:18:05 |