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|---|---|---|
 0000225648-20-000205-index-headers.html | 2020-12-03 16:16:09 | |
| 0000225648-20-000205-index.html | 2020-12-03 16:16:09 | |
| 0000225648-20-000205.txt | 2020-12-03 16:16:09 | |
 0000225648-20-000205-xbrl.zip | 30892 | 2020-12-03 16:16:09 |
| cva-20201128.htm | 45270 | 2020-12-03 16:16:09 |
| cva-20201128.xsd | 2714 | 2020-12-03 16:16:09 |
| cva-20201128_cal.xml | 757 | 2020-12-03 16:16:09 |
| cva-20201128_def.xml | 1698 | 2020-12-03 16:16:09 |
| cva-20201128_htm.xml | 9998 | 2020-12-03 16:16:09 |
| cva-20201128_lab.xml | 21788 | 2020-12-03 16:16:09 |
| cva-20201128_pre.xml | 11191 | 2020-12-03 16:16:09 |
| exhibit101120320.htm | 129100 | 2020-12-03 16:16:09 |
| FilingSummary.xml | 1745 | 2020-12-03 16:16:09 |
| Financial_Report.xlsx | 5339 | 2020-12-03 16:16:09 |
 image_02a.jpg | 32957 | 2020-12-03 16:16:09 |
 image_11a.jpg | 100921 | 2020-12-03 16:16:09 |
| MetaLinks.json | 15918 | 2020-12-03 16:16:09 |
| R1.htm | 33837 | 2020-12-03 16:16:09 |
| report.css | 2767 | 2020-12-03 16:16:09 |
| Show.js | 1085 | 2020-12-03 16:16:09 |