Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000046765-20-000027-index-headers.html | 2020-09-14 16:46:15 | |
| 0000046765-20-000027-index.html | 2020-09-14 16:46:15 | |
| 0000046765-20-000027.txt | 2020-09-14 16:46:15 | |
 0000046765-20-000027-xbrl.zip | 28550 | 2020-09-14 16:46:15 |
| exhibit101.htm | 74218 | 2020-09-14 16:46:15 |
| FilingSummary.xml | 1713 | 2020-09-14 16:46:15 |
| Financial_Report.xlsx | 5454 | 2020-09-14 16:46:15 |
| hp-20200911.xsd | 4425 | 2020-09-14 16:46:15 |
| hp-20200911_cal.xml | 612 | 2020-09-14 16:46:15 |
| hp-20200911_def.xml | 1462 | 2020-09-14 16:46:15 |
| hp-20200911_lab.xml | 26142 | 2020-09-14 16:46:15 |
| hp-20200911_pre.xml | 13568 | 2020-09-14 16:46:15 |
| hp-202009148xk.htm | 44092 | 2020-09-14 16:46:15 |
| hp-202009148xk_htm.xml | 4518 | 2020-09-14 16:46:15 |
| MetaLinks.json | 18235 | 2020-09-14 16:46:15 |
| R1.htm | 38606 | 2020-09-14 16:46:15 |
| report.css | 2767 | 2020-09-14 16:46:15 |
| Show.js | 1085 | 2020-09-14 16:46:15 |