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|---|---|---|
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| 0000046765-23-000030-index.html | 2023-04-26 16:47:40 | |
| 0000046765-23-000030.txt | 2023-04-26 16:47:40 | |
 0000046765-23-000030-xbrl.zip | 414020 | 2023-04-26 16:47:40 |
| FilingSummary.xml | 44412 | 2023-04-26 16:47:40 |
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| hp-20230331.htm | 2349257 | 2023-04-26 16:47:40 |
| hp-20230331.xsd | 61143 | 2023-04-26 16:47:40 |
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| hp-20230331xexx32.htm | 6019 | 2023-04-26 16:47:40 |
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| hp-20230331_htm.xml | 2027988 | 2023-04-26 16:47:40 |
| hp-20230331_lab.xml | 731707 | 2023-04-26 16:47:40 |
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| report.css | 2767 | 2023-04-26 16:47:40 |
| Show.js | 1085 | 2023-04-26 16:47:40 |