Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000018926-18-000029-index-headers.html | 2018-11-09 16:28:00 | |
| 0000018926-18-000029-index.html | 2018-11-09 16:28:00 | |
| 0000018926-18-000029.txt | 2018-11-09 16:28:00 | |
 0000018926-18-000029-xbrl.zip | 287739 | 2018-11-09 16:28:00 |
| ctl-20180930.xml | 2574791 | 2018-11-09 16:28:00 |
| ctl-20180930.xsd | 56892 | 2018-11-09 16:28:00 |
| ctl-20180930_cal.xml | 116296 | 2018-11-09 16:28:00 |
| ctl-20180930_def.xml | 341206 | 2018-11-09 16:28:00 |
| ctl-20180930_lab.xml | 795772 | 2018-11-09 16:28:00 |
| ctl-20180930_pre.xml | 504668 | 2018-11-09 16:28:00 |
| ctl2018093010q.htm | 1849007 | 2018-11-09 16:28:00 |
| ctl2018093010qex311.htm | 12148 | 2018-11-09 16:28:00 |
| ctl2018093010qex312.htm | 12070 | 2018-11-09 16:28:00 |
| ctl2018093010qex32.htm | 7326 | 2018-11-09 16:28:00 |
 ctllogo1a03.jpg | 17400 | 2018-11-09 16:28:00 |
| FilingSummary.xml | 42763 | 2018-11-09 16:28:00 |
| Financial_Report.xlsx | 103371 | 2018-11-09 16:28:00 |
| R1.htm | 26090 | 2018-11-09 16:28:00 |
| R10.htm | 5116 | 2018-11-09 16:28:00 |
| R11.htm | 40739 | 2018-11-09 16:28:00 |
| R12.htm | 80396 | 2018-11-09 16:28:00 |
| R13.htm | 20083 | 2018-11-09 16:28:00 |
| R14.htm | 41621 | 2018-11-09 16:28:00 |
| R15.htm | 249757 | 2018-11-09 16:28:00 |
| R16.htm | 107736 | 2018-11-09 16:28:00 |
| R17.htm | 16024 | 2018-11-09 16:28:00 |
| R18.htm | 51811 | 2018-11-09 16:28:00 |
| R19.htm | 58746 | 2018-11-09 16:28:00 |
| R2.htm | 56472 | 2018-11-09 16:28:00 |
| R20.htm | 17683 | 2018-11-09 16:28:00 |
| R21.htm | 160285 | 2018-11-09 16:28:00 |
| R22.htm | 37714 | 2018-11-09 16:28:00 |
| R23.htm | 34129 | 2018-11-09 16:28:00 |
| R24.htm | 109308 | 2018-11-09 16:28:00 |
| R25.htm | 5983 | 2018-11-09 16:28:00 |
| R26.htm | 31878 | 2018-11-09 16:28:00 |
| R27.htm | 67272 | 2018-11-09 16:28:00 |
| R28.htm | 19010 | 2018-11-09 16:28:00 |
| R29.htm | 41647 | 2018-11-09 16:28:00 |
| R3.htm | 23361 | 2018-11-09 16:28:00 |
| R30.htm | 235177 | 2018-11-09 16:28:00 |
| R31.htm | 106627 | 2018-11-09 16:28:00 |
| R32.htm | 14278 | 2018-11-09 16:28:00 |
| R33.htm | 50781 | 2018-11-09 16:28:00 |
| R34.htm | 57158 | 2018-11-09 16:28:00 |
| R35.htm | 16127 | 2018-11-09 16:28:00 |
| R36.htm | 151355 | 2018-11-09 16:28:00 |
| R37.htm | 34351 | 2018-11-09 16:28:00 |
| R38.htm | 110097 | 2018-11-09 16:28:00 |
| R39.htm | 38539 | 2018-11-09 16:28:00 |
| R4.htm | 10107 | 2018-11-09 16:28:00 |
| R40.htm | 20593 | 2018-11-09 16:28:00 |
| R41.htm | 60685 | 2018-11-09 16:28:00 |
| R42.htm | 9991 | 2018-11-09 16:28:00 |
| R43.htm | 13121 | 2018-11-09 16:28:00 |
| R44.htm | 46984 | 2018-11-09 16:28:00 |
| R45.htm | 19558 | 2018-11-09 16:28:00 |
| R46.htm | 14541 | 2018-11-09 16:28:00 |
| R47.htm | 13164 | 2018-11-09 16:28:00 |
| R48.htm | 14518 | 2018-11-09 16:28:00 |
| R49.htm | 48654 | 2018-11-09 16:28:00 |
| R5.htm | 94038 | 2018-11-09 16:28:00 |
| R50.htm | 73543 | 2018-11-09 16:28:00 |
| R51.htm | 52244 | 2018-11-09 16:28:00 |
| R52.htm | 15457 | 2018-11-09 16:28:00 |
| R53.htm | 11831 | 2018-11-09 16:28:00 |
| R54.htm | 12834 | 2018-11-09 16:28:00 |
| R55.htm | 72833 | 2018-11-09 16:28:00 |
| R56.htm | 24323 | 2018-11-09 16:28:00 |
| R57.htm | 13534 | 2018-11-09 16:28:00 |
| R58.htm | 28193 | 2018-11-09 16:28:00 |
| R59.htm | 27675 | 2018-11-09 16:28:00 |
| R6.htm | 23893 | 2018-11-09 16:28:00 |
| R60.htm | 48877 | 2018-11-09 16:28:00 |
| R61.htm | 10126 | 2018-11-09 16:28:00 |
| R62.htm | 28793 | 2018-11-09 16:28:00 |
| R63.htm | 34722 | 2018-11-09 16:28:00 |
| R64.htm | 27646 | 2018-11-09 16:28:00 |
| R65.htm | 46696 | 2018-11-09 16:28:00 |
| R66.htm | 37830 | 2018-11-09 16:28:00 |
| R67.htm | 36498 | 2018-11-09 16:28:00 |
| R68.htm | 24649 | 2018-11-09 16:28:00 |
| R69.htm | 11941 | 2018-11-09 16:28:00 |
| R7.htm | 82248 | 2018-11-09 16:28:00 |
| R8.htm | 4641 | 2018-11-09 16:28:00 |
| R9.htm | 57732 | 2018-11-09 16:28:00 |
| report.css | 2767 | 2018-11-09 16:28:00 |
| Show.js | 1085 | 2018-11-09 16:28:00 |