Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000859598-16-000275-index-headers.html | 2016-04-26 17:03:51 | |
| 0000859598-16-000275-index.html | 2016-04-26 17:03:51 | |
| 0000859598-16-000275.txt | 2016-04-26 17:03:51 | |
 0000859598-16-000275-xbrl.zip | 218388 | 2016-04-26 17:03:51 |
| ckh-03312016x10q.htm | 1888481 | 2016-04-26 17:03:51 |
| ckh-03312016xex311.htm | 13005 | 2016-04-26 17:03:51 |
| ckh-03312016xex312.htm | 12996 | 2016-04-26 17:03:51 |
| ckh-03312016xex321.htm | 5378 | 2016-04-26 17:03:51 |
| ckh-03312016xex322.htm | 5121 | 2016-04-26 17:03:51 |
| ckh-20160331.xml | 2042934 | 2016-04-26 17:03:51 |
| ckh-20160331.xsd | 41584 | 2016-04-26 17:03:51 |
| ckh-20160331_cal.xml | 86739 | 2016-04-26 17:03:51 |
| ckh-20160331_def.xml | 250426 | 2016-04-26 17:03:51 |
| ckh-20160331_lab.xml | 614958 | 2016-04-26 17:03:51 |
| ckh-20160331_pre.xml | 380924 | 2016-04-26 17:03:51 |
| FilingSummary.xml | 30259 | 2016-04-26 17:03:51 |
| Financial_Report.xlsx | 76339 | 2016-04-26 17:03:51 |
| R1.htm | 25776 | 2016-04-26 17:03:51 |
| R10.htm | 13684 | 2016-04-26 17:03:51 |
| R11.htm | 73091 | 2016-04-26 17:03:51 |
| R12.htm | 104957 | 2016-04-26 17:03:51 |
| R13.htm | 6677 | 2016-04-26 17:03:51 |
| R14.htm | 39140 | 2016-04-26 17:03:51 |
| R15.htm | 7020 | 2016-04-26 17:03:51 |
| R16.htm | 16444 | 2016-04-26 17:03:51 |
| R17.htm | 69240 | 2016-04-26 17:03:51 |
| R18.htm | 401952 | 2016-04-26 17:03:51 |
| R19.htm | 196611 | 2016-04-26 17:03:51 |
| R2.htm | 99447 | 2016-04-26 17:03:51 |
| R20.htm | 20339 | 2016-04-26 17:03:51 |
| R21.htm | 31708 | 2016-04-26 17:03:51 |
| R22.htm | 14797 | 2016-04-26 17:03:51 |
| R23.htm | 38595 | 2016-04-26 17:03:51 |
| R24.htm | 398854 | 2016-04-26 17:03:51 |
| R25.htm | 4604 | 2016-04-26 17:03:51 |
| R26.htm | 26174 | 2016-04-26 17:03:51 |
| R27.htm | 4751 | 2016-04-26 17:03:51 |
| R28.htm | 4921 | 2016-04-26 17:03:51 |
| R29.htm | 9040 | 2016-04-26 17:03:51 |
| R3.htm | 22593 | 2016-04-26 17:03:51 |
| R30.htm | 62134 | 2016-04-26 17:03:51 |
| R31.htm | 45911 | 2016-04-26 17:03:51 |
| R32.htm | 24776 | 2016-04-26 17:03:51 |
| R33.htm | 39507 | 2016-04-26 17:03:51 |
| R34.htm | 54062 | 2016-04-26 17:03:51 |
| R35.htm | 17629 | 2016-04-26 17:03:51 |
| R36.htm | 30771 | 2016-04-26 17:03:51 |
| R37.htm | 32066 | 2016-04-26 17:03:51 |
| R38.htm | 34389 | 2016-04-26 17:03:51 |
| R39.htm | 31790 | 2016-04-26 17:03:51 |
| R4.htm | 70622 | 2016-04-26 17:03:51 |
| R40.htm | 15726 | 2016-04-26 17:03:51 |
| R41.htm | 47407 | 2016-04-26 17:03:51 |
| R42.htm | 5909 | 2016-04-26 17:03:51 |
| R43.htm | 27714 | 2016-04-26 17:03:51 |
| R44.htm | 81958 | 2016-04-26 17:03:51 |
| R45.htm | 178304 | 2016-04-26 17:03:51 |
| R5.htm | 32437 | 2016-04-26 17:03:51 |
| R6.htm | 48876 | 2016-04-26 17:03:51 |
| R7.htm | 54830 | 2016-04-26 17:03:51 |
| R8.htm | 110583 | 2016-04-26 17:03:51 |
| R9.htm | 13544 | 2016-04-26 17:03:51 |
| R9999.htm | 13888 | 2016-04-26 17:03:51 |
| report.css | 2767 | 2016-04-26 17:03:51 |
| Show.js | 1410 | 2016-04-26 17:03:51 |