Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000046765-20-000017-index-headers.html | 2020-06-03 16:24:51 | |
| 0000046765-20-000017-index.html | 2020-06-03 16:24:51 | |
| 0000046765-20-000017.txt | 2020-06-03 16:24:51 | |
 0000046765-20-000017-xbrl.zip | 12528 | 2020-06-03 16:24:51 |
| FilingSummary.xml | 1696 | 2020-06-03 16:24:51 |
| Financial_Report.xlsx | 5797 | 2020-06-03 16:24:51 |
| hp-20200603.xsd | 4425 | 2020-06-03 16:24:51 |
| hp-20200603dividend.htm | 35984 | 2020-06-03 16:24:51 |
| hp-20200603dividend_htm.xml | 4420 | 2020-06-03 16:24:51 |
| hp-20200603_cal.xml | 612 | 2020-06-03 16:24:51 |
| hp-20200603_def.xml | 1462 | 2020-06-03 16:24:51 |
| hp-20200603_lab.xml | 26142 | 2020-06-03 16:24:51 |
| hp-20200603_pre.xml | 13568 | 2020-06-03 16:24:51 |
| MetaLinks.json | 18243 | 2020-06-03 16:24:51 |
| R1.htm | 38601 | 2020-06-03 16:24:51 |
| report.css | 2766 | 2020-06-03 16:24:51 |
| Show.js | 1085 | 2020-06-03 16:24:51 |