Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000731802-21-000021-index-headers.html | 2021-05-05 16:39:08 | |
| 0000731802-21-000021-index.html | 2021-05-05 16:39:08 | |
| 0000731802-21-000021.txt | 2021-05-05 16:39:08 | |
 0000731802-21-000021-xbrl.zip | 24040 | 2021-05-05 16:39:08 |
| ato-20210505.htm | 43398 | 2021-05-05 16:39:08 |
| ato-20210505.xsd | 2499 | 2021-05-05 16:39:08 |
| ato-20210505_cal.xml | 784 | 2021-05-05 16:39:08 |
| ato-20210505_def.xml | 1740 | 2021-05-05 16:39:08 |
| ato-20210505_htm.xml | 11234 | 2021-05-05 16:39:08 |
| ato-20210505_lab.xml | 25298 | 2021-05-05 16:39:08 |
| ato-20210505_pre.xml | 13264 | 2021-05-05 16:39:08 |
| ato202155exhibit991.htm | 182337 | 2021-05-05 16:39:08 |
| FilingSummary.xml | 1788 | 2021-05-05 16:39:08 |
| Financial_Report.xlsx | 5682 | 2021-05-05 16:39:08 |
 g528915g02g72a281a.jpg | 29503 | 2021-05-05 16:39:08 |
| MetaLinks.json | 18466 | 2021-05-05 16:39:08 |
| R1.htm | 40150 | 2021-05-05 16:39:08 |
| report.css | 2767 | 2021-05-05 16:39:08 |
| Show.js | 1085 | 2021-05-05 16:39:08 |