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| 0000822818-20-000009-index.html | 2020-04-29 11:00:01 | |
| 0000822818-20-000009.txt | 2020-04-29 11:00:01 | |
 0000822818-20-000009-xbrl.zip | 235679 | 2020-04-29 11:00:01 |
| clh-20200331.xsd | 55527 | 2020-04-29 11:00:01 |
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| report.css | 2767 | 2020-04-29 11:00:01 |
| Show.js | 1085 | 2020-04-29 11:00:01 |