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| 0001193125-18-242305-index.html | 2018-08-08 11:50:22 | |
| 0001193125-18-242305.txt | 2018-08-08 11:50:22 | |
 0001193125-18-242305-xbrl.zip | 118398 | 2018-08-08 11:50:22 |
| d625242d10q.htm | 618609 | 2018-08-08 11:50:22 |
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| iosp-20180630.xsd | 51759 | 2018-08-08 11:50:22 |
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| iosp-20180630_lab.xml | 441014 | 2018-08-08 11:50:22 |
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