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| 0000082166-17-000065-index.html | 2017-05-23 16:37:32 | |
| 0000082166-17-000065.txt | 2017-05-23 16:37:32 | |
 0000082166-17-000065-xbrl.zip | 148005 | 2017-05-23 16:37:32 |
| a2018q1exhibit311.htm | 15059 | 2017-05-23 16:37:32 |
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| a2018q1exhibit321.htm | 7159 | 2017-05-23 16:37:32 |
| a2018q1exhibit322.htm | 8409 | 2017-05-23 16:37:32 |
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| Financial_Report.xlsx | 58904 | 2017-05-23 16:37:32 |
| form10-qforquarterendedapr.htm | 909447 | 2017-05-23 16:37:32 |
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| ravn-20170430.xml | 870992 | 2017-05-23 16:37:32 |
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| ravn-20170430_pre.xml | 274913 | 2017-05-23 16:37:32 |
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