Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001628280-22-004277-index-headers.html | 2022-02-28 17:01:22 | |
| 0001628280-22-004277-index.html | 2022-02-28 17:01:22 | |
| 0001628280-22-004277.txt | 2022-02-28 17:01:22 | |
 0001628280-22-004277-xbrl.zip | 33693 | 2022-02-28 17:01:22 |
| boardprfinal.htm | 15581 | 2022-02-28 17:01:22 |
| FilingSummary.xml | 1711 | 2022-02-28 17:01:22 |
| Financial_Report.xlsx | 5675 | 2022-02-28 17:01:22 |
 image_0a.jpg | 114739 | 2022-02-28 17:01:22 |
| MetaLinks.json | 16615 | 2022-02-28 17:01:22 |
| R1.htm | 38586 | 2022-02-28 17:01:22 |
| report.css | 2767 | 2022-02-28 17:01:22 |
| Show.js | 1085 | 2022-02-28 17:01:22 |
| wst-20220222.htm | 44873 | 2022-02-28 17:01:22 |
| wst-20220222.xsd | 1918 | 2022-02-28 17:01:22 |
 wst-20220222_g1.jpg | 17899 | 2022-02-28 17:01:22 |
| wst-20220222_htm.xml | 11335 | 2022-02-28 17:01:22 |
| wst-20220222_lab.xml | 23832 | 2022-02-28 17:01:22 |
| wst-20220222_pre.xml | 12523 | 2022-02-28 17:01:22 |