Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000046765-20-000004-index-headers.html | 2020-02-03 17:07:26 | |
| 0000046765-20-000004-index.html | 2020-02-03 17:07:26 | |
| 0000046765-20-000004.txt | 2020-02-03 17:07:26 | |
 0000046765-20-000004-xbrl.zip | 33444 | 2020-02-03 17:07:26 |
| FilingSummary.xml | 1720 | 2020-02-03 17:07:26 |
| Financial_Report.xlsx | 5796 | 2020-02-03 17:07:26 |
| hp-20200203.htm | 38211 | 2020-02-03 17:07:26 |
| hp-20200203.xsd | 2558 | 2020-02-03 17:07:26 |
| hp-20200203_cal.xml | 714 | 2020-02-03 17:07:26 |
| hp-20200203_def.xml | 1678 | 2020-02-03 17:07:26 |
| hp-20200203_htm.xml | 10502 | 2020-02-03 17:07:26 |
| hp-20200203_lab.xml | 24265 | 2020-02-03 17:07:26 |
| hp-20200203_pre.xml | 12650 | 2020-02-03 17:07:26 |
 letterheadfooter1.jpg | 35127 | 2020-02-03 17:07:26 |
 letterheadlogo1.jpg | 59410 | 2020-02-03 17:07:26 |
| MetaLinks.json | 17914 | 2020-02-03 17:07:26 |
| q1fy20earningsrelease.htm | 508903 | 2020-02-03 17:07:26 |
| R1.htm | 38607 | 2020-02-03 17:07:26 |
| report.css | 2767 | 2020-02-03 17:07:26 |
| Show.js | 1085 | 2020-02-03 17:07:26 |