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| 0000006955-14-000014-index.html | 2014-07-09 14:09:15 | |
| 0000006955-14-000014.txt | 2014-07-09 14:09:15 | |
 0000006955-14-000014-xbrl.zip | 199644 | 2014-07-09 14:09:15 |
| atu-20140531.xml | 2829646 | 2014-07-09 14:09:15 |
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| atu-2014531exhibit321.htm | 4499 | 2014-07-09 14:09:15 |
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| atu-2014531x10q.htm | 1564149 | 2014-07-09 14:09:15 |
| FilingSummary.xml | 25106 | 2014-07-09 14:09:15 |
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| report.css | 2740 | 2014-07-09 14:09:15 |
| Show.js | 1410 | 2014-07-09 14:09:15 |