Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-105377-index-headers.html | 2020-04-13 17:30:40 | |
| 0001193125-20-105377-index.html | 2020-04-13 17:30:40 | |
| 0001193125-20-105377.txt | 2020-04-13 17:30:40 | |
 0001193125-20-105377-xbrl.zip | 86252 | 2020-04-13 17:30:40 |
| ato-20200409.xsd | 3803 | 2020-04-13 17:30:40 |
| ato-20200409_def.xml | 13434 | 2020-04-13 17:30:40 |
| ato-20200409_lab.xml | 21834 | 2020-04-13 17:30:40 |
| ato-20200409_pre.xml | 14207 | 2020-04-13 17:30:40 |
| d898305d8k.htm | 42622 | 2020-04-13 17:30:40 |
| d898305d8k_htm.xml | 4451 | 2020-04-13 17:30:40 |
| d898305dex101.htm | 427782 | 2020-04-13 17:30:40 |
| FilingSummary.xml | 1898 | 2020-04-13 17:30:40 |
| Financial_Report.xlsx | 5854 | 2020-04-13 17:30:40 |
| MetaLinks.json | 21538 | 2020-04-13 17:30:40 |
| R1.htm | 41918 | 2020-04-13 17:30:40 |
| report.css | 2767 | 2020-04-13 17:30:40 |
| Show.js | 1085 | 2020-04-13 17:30:40 |