Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000073756-25-000180-index-headers.html | 2025-10-23 16:31:19 | |
| 0000073756-25-000180-index.html | 2025-10-23 16:31:19 | |
| 0000073756-25-000180.txt | 2025-10-23 16:31:19 | |
 0000073756-25-000180-xbrl.zip | 254722 | 2025-10-23 16:31:19 |
| FilingSummary.xml | 21726 | 2025-10-23 16:31:19 |
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| oii-20250930.htm | 1253567 | 2025-10-23 16:31:19 |
| oii-20250930.xsd | 42311 | 2025-10-23 16:31:19 |
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 oii-20250930_g1.jpg | 20693 | 2025-10-23 16:31:19 |
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| oii_exhibitx3101x3q2025.htm | 10929 | 2025-10-23 16:31:19 |
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| R1.htm | 55248 | 2025-10-23 16:31:19 |
| R10.htm | 28041 | 2025-10-23 16:31:19 |
| R11.htm | 14043 | 2025-10-23 16:31:19 |
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| R18.htm | 6514 | 2025-10-23 16:31:19 |
| R19.htm | 82205 | 2025-10-23 16:31:19 |
| R2.htm | 138394 | 2025-10-23 16:31:19 |
| R20.htm | 20312 | 2025-10-23 16:31:19 |
| R21.htm | 48807 | 2025-10-23 16:31:19 |
| R22.htm | 14216 | 2025-10-23 16:31:19 |
| R23.htm | 18282 | 2025-10-23 16:31:19 |
| R24.htm | 30979 | 2025-10-23 16:31:19 |
| R25.htm | 47530 | 2025-10-23 16:31:19 |
| R26.htm | 18850 | 2025-10-23 16:31:19 |
| R27.htm | 83110 | 2025-10-23 16:31:19 |
| R28.htm | 12009 | 2025-10-23 16:31:19 |
| R29.htm | 43472 | 2025-10-23 16:31:19 |
| R3.htm | 21525 | 2025-10-23 16:31:19 |
| R30.htm | 16725 | 2025-10-23 16:31:19 |
| R31.htm | 65194 | 2025-10-23 16:31:19 |
| R32.htm | 24552 | 2025-10-23 16:31:19 |
| R33.htm | 31249 | 2025-10-23 16:31:19 |
| R34.htm | 11658 | 2025-10-23 16:31:19 |
| R35.htm | 21201 | 2025-10-23 16:31:19 |
| R36.htm | 131286 | 2025-10-23 16:31:19 |
| R4.htm | 100728 | 2025-10-23 16:31:19 |
| R5.htm | 30308 | 2025-10-23 16:31:19 |
| R6.htm | 87403 | 2025-10-23 16:31:19 |
| R7.htm | 141714 | 2025-10-23 16:31:19 |
| R8.htm | 152590 | 2025-10-23 16:31:19 |
| R9.htm | 30417 | 2025-10-23 16:31:19 |
| report.css | 2767 | 2025-10-23 16:31:19 |
| Show.js | 1085 | 2025-10-23 16:31:19 |