Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000731802-14-000006-index-headers.html | 2014-02-04 17:12:12 | |
| 0000731802-14-000006-index.html | 2014-02-04 17:12:12 | |
| 0000731802-14-000006.txt | 2014-02-04 17:12:12 | |
 0000731802-14-000006-xbrl.zip | 252246 | 2014-02-04 17:12:12 |
| ato-20131231.xml | 3110481 | 2014-02-04 17:12:12 |
| ato-20131231.xsd | 60480 | 2014-02-04 17:12:12 |
| ato-20131231_cal.xml | 94175 | 2014-02-04 17:12:12 |
| ato-20131231_def.xml | 190853 | 2014-02-04 17:12:12 |
| ato-20131231_lab.xml | 711424 | 2014-02-04 17:12:12 |
| ato-20131231_pre.xml | 370922 | 2014-02-04 17:12:12 |
| ato2013123110-q.htm | 1857137 | 2014-02-04 17:12:12 |
| ato20131231exhibit12.htm | 25831 | 2014-02-04 17:12:12 |
| ato20131231exhibit15.htm | 3456 | 2014-02-04 17:12:12 |
| ato20131231exhibit31.htm | 27103 | 2014-02-04 17:12:12 |
| ato20131231exhibit32.htm | 14744 | 2014-02-04 17:12:12 |
| FilingSummary.xml | 25536 | 2014-02-04 17:12:12 |
| Financial_Report.xls | 2627006 | 2014-02-04 17:12:12 |
| Financial_Report.xlsx | 279576 | 2014-02-04 17:12:12 |
| R1.htm | 33888 | 2014-02-04 17:12:12 |
| R10.htm | 45192 | 2014-02-04 17:12:12 |
| R11.htm | 407836 | 2014-02-04 17:12:12 |
| R12.htm | 69534 | 2014-02-04 17:12:12 |
| R13.htm | 43565 | 2014-02-04 17:12:12 |
| R14.htm | 60263 | 2014-02-04 17:12:12 |
| R15.htm | 22925 | 2014-02-04 17:12:12 |
| R16.htm | 261196 | 2014-02-04 17:12:12 |
| R17.htm | 77691 | 2014-02-04 17:12:12 |
| R18.htm | 207363 | 2014-02-04 17:12:12 |
| R19.htm | 8105 | 2014-02-04 17:12:12 |
| R2.htm | 105646 | 2014-02-04 17:12:12 |
| R20.htm | 28560 | 2014-02-04 17:12:12 |
| R21.htm | 22542 | 2014-02-04 17:12:12 |
| R22.htm | 37075 | 2014-02-04 17:12:12 |
| R23.htm | 400737 | 2014-02-04 17:12:12 |
| R24.htm | 66356 | 2014-02-04 17:12:12 |
| R25.htm | 31440 | 2014-02-04 17:12:12 |
| R26.htm | 60318 | 2014-02-04 17:12:12 |
| R27.htm | 250266 | 2014-02-04 17:12:12 |
| R28.htm | 79438 | 2014-02-04 17:12:12 |
| R29.htm | 203288 | 2014-02-04 17:12:12 |
| R3.htm | 17326 | 2014-02-04 17:12:12 |
| R30.htm | 25551 | 2014-02-04 17:12:12 |
| R31.htm | 14647 | 2014-02-04 17:12:12 |
| R32.htm | 34058 | 2014-02-04 17:12:12 |
| R33.htm | 276336 | 2014-02-04 17:12:12 |
| R34.htm | 87676 | 2014-02-04 17:12:12 |
| R35.htm | 97768 | 2014-02-04 17:12:12 |
| R36.htm | 55123 | 2014-02-04 17:12:12 |
| R37.htm | 37212 | 2014-02-04 17:12:12 |
| R38.htm | 33373 | 2014-02-04 17:12:12 |
| R39.htm | 11592 | 2014-02-04 17:12:12 |
| R4.htm | 118937 | 2014-02-04 17:12:12 |
| R40.htm | 74236 | 2014-02-04 17:12:12 |
| R41.htm | 36774 | 2014-02-04 17:12:12 |
| R42.htm | 32324 | 2014-02-04 17:12:12 |
| R43.htm | 24006 | 2014-02-04 17:12:12 |
| R44.htm | 25876 | 2014-02-04 17:12:12 |
| R45.htm | 79089 | 2014-02-04 17:12:12 |
| R46.htm | 27175 | 2014-02-04 17:12:12 |
| R47.htm | 41002 | 2014-02-04 17:12:12 |
| R5.htm | 6642 | 2014-02-04 17:12:12 |
| R6.htm | 25156 | 2014-02-04 17:12:12 |
| R7.htm | 12431 | 2014-02-04 17:12:12 |
| R8.htm | 69335 | 2014-02-04 17:12:12 |
| R9.htm | 11693 | 2014-02-04 17:12:12 |
| report.css | 2740 | 2014-02-04 17:12:12 |
| Show.js | 1410 | 2014-02-04 17:12:12 |