Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000046765-20-000020-index-headers.html | 2020-07-28 17:04:59 | |
| 0000046765-20-000020-index.html | 2020-07-28 17:04:59 | |
| 0000046765-20-000020.txt | 2020-07-28 17:04:59 | |
 0000046765-20-000020-xbrl.zip | 41240 | 2020-07-28 17:04:59 |
| FilingSummary.xml | 1724 | 2020-07-28 17:04:59 |
| Financial_Report.xlsx | 5455 | 2020-07-28 17:04:59 |
| hp-20200728.xsd | 4425 | 2020-07-28 17:04:59 |
| hp-202007288xk.htm | 41013 | 2020-07-28 17:04:59 |
| hp-202007288xk_htm.xml | 4584 | 2020-07-28 17:04:59 |
| hp-20200728_cal.xml | 612 | 2020-07-28 17:04:59 |
| hp-20200728_def.xml | 1462 | 2020-07-28 17:04:59 |
| hp-20200728_lab.xml | 26142 | 2020-07-28 17:04:59 |
| hp-20200728_pre.xml | 13568 | 2020-07-28 17:04:59 |
 letterheadfootera01.jpg | 35127 | 2020-07-28 17:04:59 |
 letterheadlogoa01.jpg | 59410 | 2020-07-28 17:04:59 |
| MetaLinks.json | 18239 | 2020-07-28 17:04:59 |
| q3fy20earningsrelease.htm | 709990 | 2020-07-28 17:04:59 |
| R1.htm | 38606 | 2020-07-28 17:04:59 |
| report.css | 2767 | 2020-07-28 17:04:59 |
| Show.js | 1085 | 2020-07-28 17:04:59 |