Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-19-260164-index-headers.html | 2019-10-02 06:02:28 | |
| 0001193125-19-260164-index.html | 2019-10-02 06:02:28 | |
| 0001193125-19-260164.txt | 2019-10-02 06:02:28 | |
 0001193125-19-260164-xbrl.zip | 75410 | 2019-10-02 06:02:28 |
| ato-20190925.xsd | 4971 | 2019-10-02 06:02:28 |
| ato-20190925_cal.xml | 680 | 2019-10-02 06:02:28 |
| ato-20190925_def.xml | 12997 | 2019-10-02 06:02:28 |
| ato-20190925_lab.xml | 16544 | 2019-10-02 06:02:28 |
| ato-20190925_pre.xml | 13420 | 2019-10-02 06:02:28 |
| d813345d8k.htm | 69794 | 2019-10-02 06:02:28 |
| d813345d8k_htm.xml | 3891 | 2019-10-02 06:02:28 |
| d813345dex11.htm | 200836 | 2019-10-02 06:02:28 |
| d813345dex41.htm | 29108 | 2019-10-02 06:02:28 |
| d813345dex42.htm | 33703 | 2019-10-02 06:02:28 |
| d813345dex43.htm | 34569 | 2019-10-02 06:02:28 |
| d813345dex51.htm | 11361 | 2019-10-02 06:02:28 |
| d813345dex52.htm | 21451 | 2019-10-02 06:02:28 |
| FilingSummary.xml | 2014 | 2019-10-02 06:02:28 |
| Financial_Report.xlsx | 5840 | 2019-10-02 06:02:28 |
 g813345g1001215207005.jpg | 3842 | 2019-10-02 06:02:28 |
 g813345img01.jpg | 8794 | 2019-10-02 06:02:28 |
| MetaLinks.json | 20182 | 2019-10-02 06:02:28 |
| R1.htm | 42146 | 2019-10-02 06:02:28 |
| report.css | 2767 | 2019-10-02 06:02:28 |
| Show.js | 1085 | 2019-10-02 06:02:28 |