Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-25-266077-index-headers.html | 2025-11-05 10:23:40 | |
| 0001193125-25-266077-index.html | 2025-11-05 10:23:40 | |
| 0001193125-25-266077.txt | 2025-11-05 10:23:40 | |
 0001193125-25-266077-xbrl.zip | 200120 | 2025-11-05 10:23:40 |
| FilingSummary.xml | 38104 | 2025-11-05 10:23:40 |
| iosp-20250930.htm | 2818787 | 2025-11-05 10:23:40 |
| iosp-20250930.xsd | 1016331 | 2025-11-05 10:23:40 |
| iosp-20250930_htm.xml | 1685682 | 2025-11-05 10:23:40 |
| iosp-ex31_1.htm | 13900 | 2025-11-05 10:23:40 |
| iosp-ex31_2.htm | 13609 | 2025-11-05 10:23:40 |
| iosp-ex32_1.htm | 6332 | 2025-11-05 10:23:40 |
| iosp-ex32_2.htm | 6349 | 2025-11-05 10:23:40 |
| MetaLinks.json | 996017 | 2025-11-05 10:23:40 |
| R1.htm | 53059 | 2025-11-05 10:23:40 |
| R10.htm | 10065 | 2025-11-05 10:23:40 |
| R11.htm | 255346 | 2025-11-05 10:23:40 |
| R12.htm | 64202 | 2025-11-05 10:23:40 |
| R13.htm | 21887 | 2025-11-05 10:23:40 |
| R14.htm | 31513 | 2025-11-05 10:23:40 |
| R15.htm | 60782 | 2025-11-05 10:23:40 |
| R16.htm | 13550 | 2025-11-05 10:23:40 |
| R17.htm | 13298 | 2025-11-05 10:23:40 |
| R18.htm | 24798 | 2025-11-05 10:23:40 |
| R19.htm | 59363 | 2025-11-05 10:23:40 |
| R2.htm | 107042 | 2025-11-05 10:23:40 |
| R20.htm | 14770 | 2025-11-05 10:23:40 |
| R21.htm | 10499 | 2025-11-05 10:23:40 |
| R22.htm | 58159 | 2025-11-05 10:23:40 |
| R23.htm | 106505 | 2025-11-05 10:23:40 |
| R24.htm | 14626 | 2025-11-05 10:23:40 |
| R25.htm | 14247 | 2025-11-05 10:23:40 |
| R26.htm | 248784 | 2025-11-05 10:23:40 |
| R27.htm | 60993 | 2025-11-05 10:23:40 |
| R28.htm | 20756 | 2025-11-05 10:23:40 |
| R29.htm | 26500 | 2025-11-05 10:23:40 |
| R3.htm | 44587 | 2025-11-05 10:23:40 |
| R30.htm | 50159 | 2025-11-05 10:23:40 |
| R31.htm | 20635 | 2025-11-05 10:23:40 |
| R32.htm | 55159 | 2025-11-05 10:23:40 |
| R33.htm | 55328 | 2025-11-05 10:23:40 |
| R34.htm | 106904 | 2025-11-05 10:23:40 |
| R35.htm | 6176 | 2025-11-05 10:23:40 |
| R36.htm | 8960 | 2025-11-05 10:23:40 |
| R37.htm | 64620 | 2025-11-05 10:23:40 |
| R38.htm | 14615 | 2025-11-05 10:23:40 |
| R39.htm | 15482 | 2025-11-05 10:23:40 |
| R4.htm | 159940 | 2025-11-05 10:23:40 |
| R40.htm | 5086 | 2025-11-05 10:23:40 |
| R41.htm | 43415 | 2025-11-05 10:23:40 |
| R42.htm | 18287 | 2025-11-05 10:23:40 |
| R43.htm | 11441 | 2025-11-05 10:23:40 |
| R44.htm | 22466 | 2025-11-05 10:23:40 |
| R45.htm | 25696 | 2025-11-05 10:23:40 |
| R46.htm | 26502 | 2025-11-05 10:23:40 |
| R47.htm | 18943 | 2025-11-05 10:23:40 |
| R48.htm | 10962 | 2025-11-05 10:23:40 |
| R49.htm | 21168 | 2025-11-05 10:23:40 |
| R5.htm | 15100 | 2025-11-05 10:23:40 |
| R50.htm | 17510 | 2025-11-05 10:23:40 |
| R51.htm | 10687 | 2025-11-05 10:23:40 |
| R52.htm | 23886 | 2025-11-05 10:23:40 |
| R53.htm | 15346 | 2025-11-05 10:23:40 |
| R54.htm | 8575 | 2025-11-05 10:23:40 |
| R55.htm | 7948 | 2025-11-05 10:23:40 |
| R56.htm | 17268 | 2025-11-05 10:23:40 |
| R57.htm | 18748 | 2025-11-05 10:23:40 |
| R58.htm | 19554 | 2025-11-05 10:23:40 |
| R59.htm | 28247 | 2025-11-05 10:23:40 |
| R6.htm | 90520 | 2025-11-05 10:23:40 |
| R60.htm | 35341 | 2025-11-05 10:23:40 |
| R61.htm | 22029 | 2025-11-05 10:23:40 |
| R7.htm | 71446 | 2025-11-05 10:23:40 |
| R8.htm | 4419 | 2025-11-05 10:23:40 |
| R9.htm | 8464 | 2025-11-05 10:23:40 |
| report.css | 2767 | 2025-11-05 10:23:40 |
| Show.js | 1085 | 2025-11-05 10:23:40 |