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| 0000859598-16-000319-index.html | 2016-08-01 16:55:50 | |
| 0000859598-16-000319.txt | 2016-08-01 16:55:50 | |
 0000859598-16-000319-xbrl.zip | 253248 | 2016-08-01 16:55:50 |
| ckh-06302016x10q.htm | 2646343 | 2016-08-01 16:55:50 |
| ckh-06302016xex311.htm | 13005 | 2016-08-01 16:55:50 |
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| ckh-06302016xex321.htm | 5395 | 2016-08-01 16:55:50 |
| ckh-06302016xex322.htm | 5138 | 2016-08-01 16:55:50 |
| ckh-20160630.xml | 2818480 | 2016-08-01 16:55:50 |
| ckh-20160630.xsd | 43654 | 2016-08-01 16:55:50 |
| ckh-20160630_cal.xml | 87496 | 2016-08-01 16:55:50 |
| ckh-20160630_def.xml | 303233 | 2016-08-01 16:55:50 |
| ckh-20160630_lab.xml | 675234 | 2016-08-01 16:55:50 |
| ckh-20160630_pre.xml | 432198 | 2016-08-01 16:55:50 |
| FilingSummary.xml | 31266 | 2016-08-01 16:55:50 |
| Financial_Report.xlsx | 86282 | 2016-08-01 16:55:50 |
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| report.css | 2767 | 2016-08-01 16:55:50 |
| Show.js | 1410 | 2016-08-01 16:55:50 |