Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000046765-19-000021-index-headers.html | 2019-12-13 16:04:02 | |
| 0000046765-19-000021-index.html | 2019-12-13 16:04:02 | |
| 0000046765-19-000021.txt | 2019-12-13 16:04:02 | |
 0000046765-19-000021-xbrl.zip | 12559 | 2019-12-13 16:04:02 |
| FilingSummary.xml | 1701 | 2019-12-13 16:04:02 |
| Financial_Report.xlsx | 5791 | 2019-12-13 16:04:02 |
| hp-20191213.xsd | 4563 | 2019-12-13 16:04:02 |
| hp-20191213dividend.htm | 35984 | 2019-12-13 16:04:02 |
| hp-20191213dividend_htm.xml | 4420 | 2019-12-13 16:04:02 |
| hp-20191213_cal.xml | 612 | 2019-12-13 16:04:02 |
| hp-20191213_def.xml | 1462 | 2019-12-13 16:04:02 |
| hp-20191213_lab.xml | 26142 | 2019-12-13 16:04:02 |
| hp-20191213_pre.xml | 13568 | 2019-12-13 16:04:02 |
| MetaLinks.json | 18306 | 2019-12-13 16:04:02 |
| R1.htm | 38606 | 2019-12-13 16:04:02 |
| report.css | 2767 | 2019-12-13 16:04:02 |
| Show.js | 1085 | 2019-12-13 16:04:02 |