Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-13-334091-index-headers.html | 2013-08-14 11:53:36 | |
| 0001193125-13-334091-index.html | 2013-08-14 11:53:36 | |
| 0001193125-13-334091.txt | 2013-08-14 11:53:36 | |
 0001193125-13-334091-xbrl.zip | 166376 | 2013-08-14 11:53:36 |
| d571280d10q.htm | 1071606 | 2013-08-14 11:53:36 |
| d571280dex311.htm | 6111 | 2013-08-14 11:53:36 |
| d571280dex312.htm | 6111 | 2013-08-14 11:53:36 |
| d571280dex32.htm | 6973 | 2013-08-14 11:53:36 |
| egas-20130630.xml | 1638441 | 2013-08-14 11:53:36 |
| egas-20130630.xsd | 62627 | 2013-08-14 11:53:36 |
| egas-20130630_cal.xml | 84678 | 2013-08-14 11:53:36 |
| egas-20130630_def.xml | 249706 | 2013-08-14 11:53:36 |
| egas-20130630_lab.xml | 527421 | 2013-08-14 11:53:36 |
| egas-20130630_pre.xml | 381549 | 2013-08-14 11:53:36 |
| FilingSummary.xml | 27186 | 2013-08-14 11:53:36 |
| Financial_Report.xls | 1371316 | 2013-08-14 11:53:36 |
| R1.htm | 26700 | 2013-08-14 11:53:36 |
| R1.xml | 26836 | 2013-08-14 11:53:36 |
| R10.htm | 19949 | 2013-08-14 11:53:36 |
| R10.xml | 23146 | 2013-08-14 11:53:36 |
| R11.htm | 52889 | 2013-08-14 11:53:36 |
| R11.xml | 66125 | 2013-08-14 11:53:36 |
| R12.htm | 23346 | 2013-08-14 11:53:36 |
| R12.xml | 27297 | 2013-08-14 11:53:36 |
| R13.htm | 32757 | 2013-08-14 11:53:36 |
| R13.xml | 40192 | 2013-08-14 11:53:36 |
| R14.htm | 8439 | 2013-08-14 11:53:36 |
| R14.xml | 8513 | 2013-08-14 11:53:36 |
| R15.htm | 23766 | 2013-08-14 11:53:36 |
| R15.xml | 28132 | 2013-08-14 11:53:36 |
| R16.htm | 134814 | 2013-08-14 11:53:36 |
| R16.xml | 172938 | 2013-08-14 11:53:36 |
| R17.htm | 209832 | 2013-08-14 11:53:36 |
| R17.xml | 275906 | 2013-08-14 11:53:36 |
| R18.htm | 15022 | 2013-08-14 11:53:36 |
| R18.xml | 15242 | 2013-08-14 11:53:36 |
| R19.htm | 14817 | 2013-08-14 11:53:36 |
| R19.xml | 13896 | 2013-08-14 11:53:36 |
| R2.htm | 240353 | 2013-08-14 11:53:36 |
| R2.xml | 217932 | 2013-08-14 11:53:36 |
| R20.htm | 6910 | 2013-08-14 11:53:36 |
| R20.xml | 7054 | 2013-08-14 11:53:36 |
| R21.htm | 32830 | 2013-08-14 11:53:36 |
| R21.xml | 32930 | 2013-08-14 11:53:36 |
| R22.htm | 35794 | 2013-08-14 11:53:36 |
| R22.xml | 51953 | 2013-08-14 11:53:36 |
| R23.htm | 10928 | 2013-08-14 11:53:36 |
| R23.xml | 12473 | 2013-08-14 11:53:36 |
| R24.htm | 18684 | 2013-08-14 11:53:36 |
| R24.xml | 21918 | 2013-08-14 11:53:36 |
| R25.htm | 51971 | 2013-08-14 11:53:36 |
| R25.xml | 62626 | 2013-08-14 11:53:36 |
| R26.htm | 20307 | 2013-08-14 11:53:36 |
| R26.xml | 23247 | 2013-08-14 11:53:36 |
| R27.htm | 31407 | 2013-08-14 11:53:36 |
| R27.xml | 37883 | 2013-08-14 11:53:36 |
| R28.htm | 19700 | 2013-08-14 11:53:36 |
| R28.xml | 24076 | 2013-08-14 11:53:36 |
| R29.htm | 129113 | 2013-08-14 11:53:36 |
| R29.xml | 166487 | 2013-08-14 11:53:36 |
| R3.htm | 30020 | 2013-08-14 11:53:36 |
| R3.xml | 32161 | 2013-08-14 11:53:36 |
| R30.htm | 208237 | 2013-08-14 11:53:36 |
| R30.xml | 273892 | 2013-08-14 11:53:36 |
| R31.htm | 28332 | 2013-08-14 11:53:36 |
| R31.xml | 50078 | 2013-08-14 11:53:36 |
| R32.htm | 34819 | 2013-08-14 11:53:36 |
| R32.xml | 65255 | 2013-08-14 11:53:36 |
| R33.htm | 11514 | 2013-08-14 11:53:36 |
| R33.xml | 31058 | 2013-08-14 11:53:36 |
| R34.htm | 120784 | 2013-08-14 11:53:36 |
| R34.xml | 397097 | 2013-08-14 11:53:36 |
| R35.htm | 8786 | 2013-08-14 11:53:36 |
| R35.xml | 13431 | 2013-08-14 11:53:36 |
| R36.htm | 14005 | 2013-08-14 11:53:36 |
| R36.xml | 20721 | 2013-08-14 11:53:36 |
| R37.htm | 9724 | 2013-08-14 11:53:36 |
| R37.xml | 14028 | 2013-08-14 11:53:36 |
| R38.htm | 15653 | 2013-08-14 11:53:36 |
| R38.xml | 54752 | 2013-08-14 11:53:36 |
| R39.htm | 33176 | 2013-08-14 11:53:36 |
| R39.xml | 52434 | 2013-08-14 11:53:36 |
| R4.htm | 110805 | 2013-08-14 11:53:36 |
| R4.xml | 149290 | 2013-08-14 11:53:36 |
| R40.htm | 20820 | 2013-08-14 11:53:36 |
| R40.xml | 55974 | 2013-08-14 11:53:36 |
| R41.htm | 18175 | 2013-08-14 11:53:36 |
| R41.xml | 71545 | 2013-08-14 11:53:36 |
| R42.htm | 100415 | 2013-08-14 11:53:36 |
| R42.xml | 404991 | 2013-08-14 11:53:36 |
| R43.htm | 38326 | 2013-08-14 11:53:36 |
| R43.xml | 43978 | 2013-08-14 11:53:36 |
| R44.htm | 23384 | 2013-08-14 11:53:36 |
| R44.xml | 36040 | 2013-08-14 11:53:36 |
| R45.htm | 39401 | 2013-08-14 11:53:36 |
| R45.xml | 83958 | 2013-08-14 11:53:36 |
| R46.htm | 33441 | 2013-08-14 11:53:36 |
| R46.xml | 51924 | 2013-08-14 11:53:36 |
| R47.htm | 19687 | 2013-08-14 11:53:36 |
| R47.xml | 28347 | 2013-08-14 11:53:36 |
| R48.htm | 17632 | 2013-08-14 11:53:36 |
| R48.xml | 31096 | 2013-08-14 11:53:36 |
| R49.htm | 24234 | 2013-08-14 11:53:36 |
| R49.xml | 136026 | 2013-08-14 11:53:36 |
| R5.htm | 6403 | 2013-08-14 11:53:36 |
| R5.xml | 12655 | 2013-08-14 11:53:36 |
| R50.htm | 46578 | 2013-08-14 11:53:36 |
| R50.xml | 250794 | 2013-08-14 11:53:36 |
| R51.htm | 39675 | 2013-08-14 11:53:36 |
| R51.xml | 119403 | 2013-08-14 11:53:36 |
| R52.htm | 58621 | 2013-08-14 11:53:36 |
| R52.xml | 354837 | 2013-08-14 11:53:36 |
| R53.htm | 34890 | 2013-08-14 11:53:36 |
| R53.xml | 221726 | 2013-08-14 11:53:36 |
| R54.htm | 56607 | 2013-08-14 11:53:36 |
| R54.xml | 181275 | 2013-08-14 11:53:36 |
| R55.htm | 37443 | 2013-08-14 11:53:36 |
| R55.xml | 86622 | 2013-08-14 11:53:36 |
| R6.htm | 168121 | 2013-08-14 11:53:36 |
| R6.xml | 161558 | 2013-08-14 11:53:36 |
| R7.htm | 25478 | 2013-08-14 11:53:36 |
| R7.xml | 27054 | 2013-08-14 11:53:36 |
| R8.htm | 49479 | 2013-08-14 11:53:36 |
| R8.xml | 57592 | 2013-08-14 11:53:36 |
| R9.htm | 10665 | 2013-08-14 11:53:36 |
| R9.xml | 12392 | 2013-08-14 11:53:36 |
| report.css | 2741 | 2013-08-14 11:53:36 |
| Show.js | 1410 | 2013-08-14 11:53:36 |