Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000105770-22-000014-index-headers.html | 2022-04-28 07:52:01 | |
| 0000105770-22-000014-index.html | 2022-04-28 07:52:01 | |
| 0000105770-22-000014.txt | 2022-04-28 07:52:01 | |
 0000105770-22-000014-xbrl.zip | 46081 | 2022-04-28 07:52:01 |
 exh991logoa.jpg | 166632 | 2022-04-28 07:52:01 |
| exh991q12022earningsrelease.htm | 162656 | 2022-04-28 07:52:01 |
| FilingSummary.xml | 1921 | 2022-04-28 07:52:01 |
| Financial_Report.xlsx | 5699 | 2022-04-28 07:52:01 |
| MetaLinks.json | 18037 | 2022-04-28 07:52:01 |
| R1.htm | 38899 | 2022-04-28 07:52:01 |
| report.css | 2767 | 2022-04-28 07:52:01 |
| Show.js | 1085 | 2022-04-28 07:52:01 |
| westq12022final_clean.htm | 21159 | 2022-04-28 07:52:01 |
 westq12022final_clean001.jpg | 148500 | 2022-04-28 07:52:01 |
 westq12022final_clean002.jpg | 74670 | 2022-04-28 07:52:01 |
 westq12022final_clean003.jpg | 82951 | 2022-04-28 07:52:01 |
 westq12022final_clean004.jpg | 126983 | 2022-04-28 07:52:01 |
 westq12022final_clean005.jpg | 100144 | 2022-04-28 07:52:01 |
 westq12022final_clean006.jpg | 83947 | 2022-04-28 07:52:01 |
 westq12022final_clean007.jpg | 111549 | 2022-04-28 07:52:01 |
 westq12022final_clean008.jpg | 92423 | 2022-04-28 07:52:01 |
 westq12022final_clean009.jpg | 57731 | 2022-04-28 07:52:01 |
 westq12022final_clean010.jpg | 81695 | 2022-04-28 07:52:01 |
 westq12022final_clean011.jpg | 83249 | 2022-04-28 07:52:01 |
 westq12022final_clean012.jpg | 52739 | 2022-04-28 07:52:01 |
 westq12022final_clean013.jpg | 101748 | 2022-04-28 07:52:01 |
 westq12022final_clean014.jpg | 63153 | 2022-04-28 07:52:01 |
 westq12022final_clean015.jpg | 85955 | 2022-04-28 07:52:01 |
 westq12022final_clean016.jpg | 118852 | 2022-04-28 07:52:01 |
 westq12022final_clean017.jpg | 90140 | 2022-04-28 07:52:01 |
 westq12022final_clean018.jpg | 136415 | 2022-04-28 07:52:01 |
| wst-20220428.htm | 44975 | 2022-04-28 07:52:01 |
| wst-20220428.xsd | 2344 | 2022-04-28 07:52:01 |
 wst-20220428_g1.jpg | 17899 | 2022-04-28 07:52:01 |
| wst-20220428_htm.xml | 11337 | 2022-04-28 07:52:01 |
| wst-20220428_lab.xml | 24792 | 2022-04-28 07:52:01 |
| wst-20220428_pre.xml | 13278 | 2022-04-28 07:52:01 |