Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000105770-21-000064-index-headers.html | 2021-08-23 16:40:41 | |
| 0000105770-21-000064-index.html | 2021-08-23 16:40:41 | |
| 0000105770-21-000064.txt | 2021-08-23 16:40:41 | |
 0000105770-21-000064-xbrl.zip | 32815 | 2021-08-23 16:40:41 |
| exh991pressreleaseaugust23.htm | 9566 | 2021-08-23 16:40:41 |
| FilingSummary.xml | 1711 | 2021-08-23 16:40:41 |
| Financial_Report.xlsx | 5677 | 2021-08-23 16:40:41 |
| MetaLinks.json | 16779 | 2021-08-23 16:40:41 |
| R1.htm | 38584 | 2021-08-23 16:40:41 |
| report.css | 2767 | 2021-08-23 16:40:41 |
| Show.js | 1085 | 2021-08-23 16:40:41 |
| wst-20210819.htm | 47134 | 2021-08-23 16:40:41 |
| wst-20210819.xsd | 1918 | 2021-08-23 16:40:41 |
 wst-20210819_g1.jpg | 17899 | 2021-08-23 16:40:41 |
| wst-20210819_htm.xml | 11248 | 2021-08-23 16:40:41 |
| wst-20210819_lab.xml | 23832 | 2021-08-23 16:40:41 |
| wst-20210819_pre.xml | 12523 | 2021-08-23 16:40:41 |
 wstlogoq319.jpg | 17899 | 2021-08-23 16:40:41 |