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| 0000822818-17-000014-index.html | 2017-05-03 14:20:09 | |
| 0000822818-17-000014.txt | 2017-05-03 14:20:09 | |
 0000822818-17-000014-xbrl.zip | 256521 | 2017-05-03 14:20:09 |
| clh-20170331.xml | 2838572 | 2017-05-03 14:20:09 |
| clh-20170331.xsd | 66336 | 2017-05-03 14:20:09 |
| clh-20170331_cal.xml | 124617 | 2017-05-03 14:20:09 |
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| clh-20170331_lab.xml | 745988 | 2017-05-03 14:20:09 |
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| clh-3312017ex311.htm | 11639 | 2017-05-03 14:20:09 |
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| FilingSummary.xml | 47804 | 2017-05-03 14:20:09 |
| Financial_Report.xlsx | 93729 | 2017-05-03 14:20:09 |
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| report.css | 2767 | 2017-05-03 14:20:09 |
| Show.js | 1410 | 2017-05-03 14:20:09 |