Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000105770-22-000021-index-headers.html | 2022-05-12 16:32:43 | |
| 0000105770-22-000021-index.html | 2022-05-12 16:32:43 | |
| 0000105770-22-000021.txt | 2022-05-12 16:32:43 | |
 0000105770-22-000021-xbrl.zip | 31916 | 2022-05-12 16:32:43 |
| exh991executiveteamchanges.htm | 9062 | 2022-05-12 16:32:43 |
| FilingSummary.xml | 1722 | 2022-05-12 16:32:43 |
| Financial_Report.xlsx | 5674 | 2022-05-12 16:32:43 |
 image_0.jpg | 23769 | 2022-05-12 16:32:43 |
| MetaLinks.json | 16614 | 2022-05-12 16:32:43 |
| R1.htm | 38714 | 2022-05-12 16:32:43 |
| report.css | 2767 | 2022-05-12 16:32:43 |
| Show.js | 1085 | 2022-05-12 16:32:43 |
| wst-20220512.htm | 44750 | 2022-05-12 16:32:43 |
| wst-20220512.xsd | 1918 | 2022-05-12 16:32:43 |
 wst-20220512_g1.jpg | 17899 | 2022-05-12 16:32:43 |
| wst-20220512_htm.xml | 11382 | 2022-05-12 16:32:43 |
| wst-20220512_lab.xml | 23832 | 2022-05-12 16:32:43 |
| wst-20220512_pre.xml | 12523 | 2022-05-12 16:32:43 |