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|---|---|---|
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| 0000225648-17-000115-index.html | 2017-07-28 16:19:47 | |
| 0000225648-17-000115.txt | 2017-07-28 16:19:47 | |
 0000225648-17-000115-xbrl.zip | 178251 | 2017-07-28 16:19:47 |
| cva-063017x10q.htm | 1516454 | 2017-07-28 16:19:47 |
| cva-20170630.xml | 1271620 | 2017-07-28 16:19:47 |
| cva-20170630.xsd | 49613 | 2017-07-28 16:19:47 |
| cva-20170630_cal.xml | 65576 | 2017-07-28 16:19:47 |
| cva-20170630_def.xml | 239385 | 2017-07-28 16:19:47 |
| cva-20170630_lab.xml | 574729 | 2017-07-28 16:19:47 |
| cva-20170630_pre.xml | 353079 | 2017-07-28 16:19:47 |
| ex101-063017x10q.htm | 32384 | 2017-07-28 16:19:47 |
| ex311-063017x10q.htm | 13224 | 2017-07-28 16:19:47 |
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| ex32-063017x10q.htm | 10744 | 2017-07-28 16:19:47 |
| FilingSummary.xml | 30805 | 2017-07-28 16:19:47 |
| Financial_Report.xlsx | 70829 | 2017-07-28 16:19:47 |
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| report.css | 2767 | 2017-07-28 16:19:47 |
| Show.js | 1410 | 2017-07-28 16:19:47 |