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| 0000731802-18-000020-index.html | 2018-05-02 17:16:15 | |
| 0000731802-18-000020.txt | 2018-05-02 17:16:15 | |
 0000731802-18-000020-xbrl.zip | 256854 | 2018-05-02 17:16:15 |
| ato-20180331.xml | 2597791 | 2018-05-02 17:16:15 |
| ato-20180331.xsd | 57489 | 2018-05-02 17:16:15 |
| ato-20180331_cal.xml | 91698 | 2018-05-02 17:16:15 |
| ato-20180331_def.xml | 267354 | 2018-05-02 17:16:15 |
| ato-20180331_lab.xml | 754957 | 2018-05-02 17:16:15 |
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| ato201833110-q.htm | 1804477 | 2018-05-02 17:16:15 |
| ato2018331ex-12.htm | 43364 | 2018-05-02 17:16:15 |
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| ato2018331ex-31.htm | 27008 | 2018-05-02 17:16:15 |
| ato2018331ex-32.htm | 14381 | 2018-05-02 17:16:15 |
| FilingSummary.xml | 29508 | 2018-05-02 17:16:15 |
| Financial_Report.xlsx | 81292 | 2018-05-02 17:16:15 |
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| report.css | 2767 | 2018-05-02 17:16:15 |
| Show.js | 1410 | 2018-05-02 17:16:15 |