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| 0000006955-15-000023-index.html | 2015-04-08 11:03:10 | |
| 0000006955-15-000023.txt | 2015-04-08 11:03:10 | |
 0000006955-15-000023-xbrl.zip | 202701 | 2015-04-08 11:03:10 |
| atu-20150228.xml | 2729421 | 2015-04-08 11:03:10 |
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| atu-20150228exhibit311.htm | 12960 | 2015-04-08 11:03:10 |
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| atu-20150228x10q.htm | 1528722 | 2015-04-08 11:03:10 |
| atu-20150228_cal.xml | 79055 | 2015-04-08 11:03:10 |
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| atu-20150228_lab.xml | 461182 | 2015-04-08 11:03:10 |
| atu-20150228_pre.xml | 336116 | 2015-04-08 11:03:10 |
| FilingSummary.xml | 27048 | 2015-04-08 11:03:10 |
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| report.css | 2740 | 2015-04-08 11:03:10 |
| Show.js | 1410 | 2015-04-08 11:03:10 |