Parent Directory| Name | Size | Last Modified |
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| 0000073756-23-000132-index.html | 2023-10-25 17:02:23 | |
| 0000073756-23-000132.txt | 2023-10-25 17:02:23 | |
 0000073756-23-000132-xbrl.zip | 51259 | 2023-10-25 17:02:23 |
| exhibit_991x8kx3qx2023.htm | 661798 | 2023-10-25 17:02:23 |
| FilingSummary.xml | 1779 | 2023-10-25 17:02:23 |
| Financial_Report.xlsx | 5737 | 2023-10-25 17:02:23 |
| MetaLinks.json | 17828 | 2023-10-25 17:02:23 |
| oii-20231025.htm | 25299 | 2023-10-25 17:02:23 |
| oii-20231025.xsd | 2242 | 2023-10-25 17:02:23 |
 oii-20231025_g1.jpg | 20693 | 2023-10-25 17:02:23 |
| oii-20231025_htm.xml | 2839 | 2023-10-25 17:02:23 |
| oii-20231025_lab.xml | 24442 | 2023-10-25 17:02:23 |
| oii-20231025_pre.xml | 12678 | 2023-10-25 17:02:23 |
| R1.htm | 38174 | 2023-10-25 17:02:23 |
| report.css | 2767 | 2023-10-25 17:02:23 |
| Show.js | 1085 | 2023-10-25 17:02:23 |