Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-074937-index-headers.html | 2021-03-09 16:37:06 | |
| 0001193125-21-074937-index.html | 2021-03-09 16:37:06 | |
| 0001193125-21-074937.txt | 2021-03-09 16:37:06 | |
 0001193125-21-074937-xbrl.zip | 86395 | 2021-03-09 16:37:06 |
| ato-20210309.xsd | 3800 | 2021-03-09 16:37:06 |
| ato-20210309_def.xml | 13431 | 2021-03-09 16:37:06 |
| ato-20210309_lab.xml | 21831 | 2021-03-09 16:37:06 |
| ato-20210309_pre.xml | 14204 | 2021-03-09 16:37:06 |
| d56742d8k.htm | 35458 | 2021-03-09 16:37:06 |
| d56742d8k_htm.xml | 4304 | 2021-03-09 16:37:06 |
| d56742dex41.htm | 18918 | 2021-03-09 16:37:06 |
| d56742dex42.htm | 60412 | 2021-03-09 16:37:06 |
| d56742dex43.htm | 29714 | 2021-03-09 16:37:06 |
| d56742dex44.htm | 30396 | 2021-03-09 16:37:06 |
| d56742dex45.htm | 30018 | 2021-03-09 16:37:06 |
| d56742dex46.htm | 68879 | 2021-03-09 16:37:06 |
| d56742dex47.htm | 68763 | 2021-03-09 16:37:06 |
| d56742dex48.htm | 69840 | 2021-03-09 16:37:06 |
| FilingSummary.xml | 2124 | 2021-03-09 16:37:06 |
| Financial_Report.xlsx | 5514 | 2021-03-09 16:37:06 |
| MetaLinks.json | 21592 | 2021-03-09 16:37:06 |
| R1.htm | 41923 | 2021-03-09 16:37:06 |
| report.css | 2767 | 2021-03-09 16:37:06 |
| Show.js | 1085 | 2021-03-09 16:37:06 |