Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000105770-20-000069-index-headers.html | 2020-11-09 16:50:42 | |
| 0000105770-20-000069-index.html | 2020-11-09 16:50:42 | |
| 0000105770-20-000069.txt | 2020-11-09 16:50:42 | |
 0000105770-20-000069-xbrl.zip | 32860 | 2020-11-09 16:50:42 |
 exh991logo1.jpg | 166632 | 2020-11-09 16:50:42 |
| exh991pressreleasenov9.htm | 9827 | 2020-11-09 16:50:42 |
| FilingSummary.xml | 1788 | 2020-11-09 16:50:42 |
| Financial_Report.xlsx | 5456 | 2020-11-09 16:50:42 |
| MetaLinks.json | 17353 | 2020-11-09 16:50:42 |
| R1.htm | 38625 | 2020-11-09 16:50:42 |
| report.css | 2767 | 2020-11-09 16:50:42 |
| Show.js | 1085 | 2020-11-09 16:50:42 |
| wst-20201109.htm | 42903 | 2020-11-09 16:50:42 |
| wst-20201109.xsd | 2437 | 2020-11-09 16:50:42 |
| wst-20201109_cal.xml | 725 | 2020-11-09 16:50:42 |
| wst-20201109_def.xml | 1662 | 2020-11-09 16:50:42 |
 wst-20201109_g1.jpg | 17899 | 2020-11-09 16:50:42 |
| wst-20201109_htm.xml | 11254 | 2020-11-09 16:50:42 |
| wst-20201109_lab.xml | 23970 | 2020-11-09 16:50:42 |
| wst-20201109_pre.xml | 12661 | 2020-11-09 16:50:42 |