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 0000105770-21-000014-index-headers.html | 2021-03-01 16:06:23 | |
| 0000105770-21-000014-index.html | 2021-03-01 16:06:23 | |
| 0000105770-21-000014.txt | 2021-03-01 16:06:23 | |
 0000105770-21-000014-xbrl.zip | 53405 | 2021-03-01 16:06:23 |
| FilingSummary.xml | 1945 | 2021-03-01 16:06:23 |
| Financial_Report.xlsx | 5504 | 2021-03-01 16:06:23 |
| MetaLinks.json | 19309 | 2021-03-01 16:06:23 |
| R1.htm | 40354 | 2021-03-01 16:06:23 |
| report.css | 2767 | 2021-03-01 16:06:23 |
| Show.js | 1085 | 2021-03-01 16:06:23 |
| wpsbylawamendmentsfinalfeb.htm | 138442 | 2021-03-01 16:06:23 |
| wst-20210223.htm | 46272 | 2021-03-01 16:06:23 |
| wst-20210223.xsd | 2857 | 2021-03-01 16:06:23 |
| wst-20210223_cal.xml | 866 | 2021-03-01 16:06:23 |
| wst-20210223_def.xml | 1850 | 2021-03-01 16:06:23 |
 wst-20210223_g1.jpg | 17899 | 2021-03-01 16:06:23 |
| wst-20210223_htm.xml | 11749 | 2021-03-01 16:06:23 |
| wst-20210223_lab.xml | 25843 | 2021-03-01 16:06:23 |
| wst-20210223_pre.xml | 13886 | 2021-03-01 16:06:23 |