Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000073756-23-000007-index-headers.html | 2023-02-23 17:02:24 | |
| 0000073756-23-000007-index.html | 2023-02-23 17:02:24 | |
| 0000073756-23-000007.txt | 2023-02-23 17:02:24 | |
 0000073756-23-000007-xbrl.zip | 63915 | 2023-02-23 17:02:24 |
| exhibit_991x8kx4qx2022.htm | 932907 | 2023-02-23 17:02:24 |
| FilingSummary.xml | 2058 | 2023-02-23 17:02:24 |
| Financial_Report.xlsx | 5749 | 2023-02-23 17:02:24 |
| MetaLinks.json | 23217 | 2023-02-23 17:02:24 |
| oii-20230223.htm | 34250 | 2023-02-23 17:02:24 |
| oii-20230223.xsd | 2258 | 2023-02-23 17:02:24 |
| oii-20230223_def.xml | 16767 | 2023-02-23 17:02:24 |
 oii-20230223_g1.jpg | 20693 | 2023-02-23 17:02:24 |
| oii-20230223_htm.xml | 11894 | 2023-02-23 17:02:24 |
| oii-20230223_lab.xml | 32117 | 2023-02-23 17:02:24 |
| oii-20230223_pre.xml | 17247 | 2023-02-23 17:02:24 |
| R1.htm | 40059 | 2023-02-23 17:02:24 |
| report.css | 2767 | 2023-02-23 17:02:24 |
| Show.js | 1085 | 2023-02-23 17:02:24 |