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| 0000866829-18-000004-index.html | 2018-02-23 17:29:06 | |
| 0000866829-18-000004.txt | 2018-02-23 17:29:06 | |
 0000866829-18-000004-xbrl.zip | 350555 | 2018-02-23 17:29:06 |
| FilingSummary.xml | 63417 | 2018-02-23 17:29:06 |
| Financial_Report.xlsx | 144550 | 2018-02-23 17:29:06 |
| hlx-20171231.xml | 3020585 | 2018-02-23 17:29:06 |
| hlx-20171231.xsd | 85283 | 2018-02-23 17:29:06 |
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| hlx-20171231_lab.xml | 1007530 | 2018-02-23 17:29:06 |
| hlx-20171231_pre.xml | 694552 | 2018-02-23 17:29:06 |
| hlx12312017-10k.htm | 2615390 | 2018-02-23 17:29:06 |
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| report.css | 2768 | 2018-02-23 17:29:06 |
| Show.js | 1411 | 2018-02-23 17:29:06 |