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| 0000006955-16-000077-index.html | 2016-07-08 15:28:42 | |
| 0000006955-16-000077.txt | 2016-07-08 15:28:42 | |
 0000006955-16-000077-xbrl.zip | 207631 | 2016-07-08 15:28:42 |
| atu-20160531.xml | 2828560 | 2016-07-08 15:28:42 |
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| atu-20160531exhibit311.htm | 12989 | 2016-07-08 15:28:42 |
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| atu-20160531exhibit321.htm | 4652 | 2016-07-08 15:28:42 |
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| atu-20160531x10q.htm | 1510554 | 2016-07-08 15:28:42 |
| atu-20160531_cal.xml | 70807 | 2016-07-08 15:28:42 |
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| atu-20160531_lab.xml | 467558 | 2016-07-08 15:28:42 |
| atu-20160531_pre.xml | 321126 | 2016-07-08 15:28:42 |
| FilingSummary.xml | 27365 | 2016-07-08 15:28:42 |
| Financial_Report.xlsx | 68923 | 2016-07-08 15:28:42 |
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| report.css | 2767 | 2016-07-08 15:28:42 |
| Show.js | 1410 | 2016-07-08 15:28:42 |