Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000048732-17-000016-index-headers.html | 2017-08-03 06:30:21 | |
| 0000048732-17-000016-index.html | 2017-08-03 06:30:21 | |
| 0000048732-17-000016.txt | 2017-08-03 06:30:21 | |
 0000048732-17-000016-xbrl.zip | 94516 | 2017-08-03 06:30:21 |
| cehe-20170630.xml | 414078 | 2017-08-03 06:30:21 |
| cehe-20170630.xsd | 22448 | 2017-08-03 06:30:21 |
| cehe-20170630_cal.xml | 59414 | 2017-08-03 06:30:21 |
| cehe-20170630_def.xml | 98831 | 2017-08-03 06:30:21 |
| cehe-20170630_lab.xml | 327810 | 2017-08-03 06:30:21 |
| cehe-20170630_pre.xml | 174284 | 2017-08-03 06:30:21 |
| ceheq2201710-q.htm | 712289 | 2017-08-03 06:30:21 |
| cehe_exhibit12x6302017.htm | 23746 | 2017-08-03 06:30:21 |
| cehe_exhibit311x6302017.htm | 12972 | 2017-08-03 06:30:21 |
| cehe_exhibit312x6302017.htm | 12723 | 2017-08-03 06:30:21 |
| cehe_exhibit321x6302017.htm | 6015 | 2017-08-03 06:30:21 |
| cehe_exhibit322x6302017.htm | 6025 | 2017-08-03 06:30:21 |
| FilingSummary.xml | 16789 | 2017-08-03 06:30:21 |
| Financial_Report.xlsx | 35561 | 2017-08-03 06:30:21 |
| R1.htm | 28507 | 2017-08-03 06:30:21 |
| R10.htm | 38140 | 2017-08-03 06:30:21 |
| R11.htm | 6598 | 2017-08-03 06:30:21 |
| R12.htm | 23496 | 2017-08-03 06:30:21 |
| R13.htm | 42009 | 2017-08-03 06:30:21 |
| R14.htm | 44419 | 2017-08-03 06:30:21 |
| R15.htm | 13529 | 2017-08-03 06:30:21 |
| R16.htm | 7543 | 2017-08-03 06:30:21 |
| R17.htm | 36890 | 2017-08-03 06:30:21 |
| R18.htm | 16109 | 2017-08-03 06:30:21 |
| R19.htm | 38174 | 2017-08-03 06:30:21 |
| R2.htm | 33317 | 2017-08-03 06:30:21 |
| R20.htm | 41987 | 2017-08-03 06:30:21 |
| R21.htm | 4066 | 2017-08-03 06:30:21 |
| R22.htm | 26987 | 2017-08-03 06:30:21 |
| R23.htm | 6419 | 2017-08-03 06:30:21 |
| R24.htm | 30279 | 2017-08-03 06:30:21 |
| R25.htm | 27004 | 2017-08-03 06:30:21 |
| R26.htm | 46807 | 2017-08-03 06:30:21 |
| R27.htm | 5288 | 2017-08-03 06:30:21 |
| R3.htm | 14068 | 2017-08-03 06:30:21 |
| R4.htm | 3834 | 2017-08-03 06:30:21 |
| R5.htm | 99879 | 2017-08-03 06:30:21 |
| R6.htm | 15095 | 2017-08-03 06:30:21 |
| R7.htm | 88635 | 2017-08-03 06:30:21 |
| R8.htm | 11036 | 2017-08-03 06:30:21 |
| R9.htm | 16668 | 2017-08-03 06:30:21 |
| report.css | 2767 | 2017-08-03 06:30:21 |
| Show.js | 1410 | 2017-08-03 06:30:21 |