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 0000105770-20-000002-index-headers.html | 2020-01-16 17:15:58 | |
| 0000105770-20-000002-index.html | 2020-01-16 17:15:58 | |
| 0000105770-20-000002.txt | 2020-01-16 17:15:58 | |
 0000105770-20-000002-xbrl.zip | 65410 | 2020-01-16 17:15:58 |
| exh101exxonsupplyagree.htm | 253808 | 2020-01-16 17:15:58 |
| FilingSummary.xml | 1975 | 2020-01-16 17:15:58 |
| Financial_Report.xlsx | 5817 | 2020-01-16 17:15:58 |
 form8k01102020.jpg | 17899 | 2020-01-16 17:15:58 |
| form8kexxonsupplyagree.htm | 60390 | 2020-01-16 17:15:58 |
| form8kexxonsupplyagree_htm.xml | 4363 | 2020-01-16 17:15:58 |
| MetaLinks.json | 19742 | 2020-01-16 17:15:58 |
| R1.htm | 38816 | 2020-01-16 17:15:58 |
| report.css | 2767 | 2020-01-16 17:15:58 |
| Show.js | 1085 | 2020-01-16 17:15:58 |
| wst-20200110.xsd | 5005 | 2020-01-16 17:15:58 |
| wst-20200110_cal.xml | 764 | 2020-01-16 17:15:58 |
| wst-20200110_def.xml | 1614 | 2020-01-16 17:15:58 |
| wst-20200110_lab.xml | 26653 | 2020-01-16 17:15:58 |
| wst-20200110_pre.xml | 14240 | 2020-01-16 17:15:58 |