Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000013239-20-000020-index-headers.html | 2020-08-14 07:07:12 | |
| 0000013239-20-000020-index.html | 2020-08-14 07:07:12 | |
| 0000013239-20-000020.txt | 2020-08-14 07:07:12 | |
 0000013239-20-000020-xbrl.zip | 84787 | 2020-08-14 07:07:12 |
| exhibit991earningsrele.htm | 851560 | 2020-08-14 07:07:12 |
| FilingSummary.xml | 1770 | 2020-08-14 07:07:12 |
| Financial_Report.xlsx | 5345 | 2020-08-14 07:07:12 |
| hsc-20200814.htm | 37824 | 2020-08-14 07:07:12 |
| hsc-20200814.xsd | 2412 | 2020-08-14 07:07:12 |
| hsc-20200814_cal.xml | 705 | 2020-08-14 07:07:12 |
| hsc-20200814_def.xml | 13206 | 2020-08-14 07:07:12 |
 hsc-20200814_g1.jpg | 56122 | 2020-08-14 07:07:12 |
| hsc-20200814_htm.xml | 10124 | 2020-08-14 07:07:12 |
| hsc-20200814_lab.xml | 25225 | 2020-08-14 07:07:12 |
| hsc-20200814_pre.xml | 13575 | 2020-08-14 07:07:12 |
 logo2002a031.jpg | 56122 | 2020-08-14 07:07:12 |
| MetaLinks.json | 17856 | 2020-08-14 07:07:12 |
| R1.htm | 35027 | 2020-08-14 07:07:12 |
| report.css | 2767 | 2020-08-14 07:07:12 |
| Show.js | 1085 | 2020-08-14 07:07:12 |