Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-19-260779-index-headers.html | 2019-10-02 16:31:18 | |
| 0001193125-19-260779-index.html | 2019-10-02 16:31:18 | |
| 0001193125-19-260779.txt | 2019-10-02 16:31:18 | |
 0001193125-19-260779-xbrl.zip | 33461 | 2019-10-02 16:31:18 |
| ato-20191002.xsd | 4971 | 2019-10-02 16:31:18 |
| ato-20191002_cal.xml | 680 | 2019-10-02 16:31:18 |
| ato-20191002_def.xml | 12997 | 2019-10-02 16:31:18 |
| ato-20191002_lab.xml | 16544 | 2019-10-02 16:31:18 |
| ato-20191002_pre.xml | 13420 | 2019-10-02 16:31:18 |
| d813343d8k.htm | 59529 | 2019-10-02 16:31:18 |
| d813343d8k_htm.xml | 3891 | 2019-10-02 16:31:18 |
| d813343dex41.htm | 28708 | 2019-10-02 16:31:18 |
| d813343dex42.htm | 37491 | 2019-10-02 16:31:18 |
| d813343dex43.htm | 37586 | 2019-10-02 16:31:18 |
| FilingSummary.xml | 1912 | 2019-10-02 16:31:18 |
| Financial_Report.xlsx | 5843 | 2019-10-02 16:31:18 |
| MetaLinks.json | 20182 | 2019-10-02 16:31:18 |
| R1.htm | 42147 | 2019-10-02 16:31:18 |
| report.css | 2767 | 2019-10-02 16:31:18 |
| Show.js | 1085 | 2019-10-02 16:31:18 |