Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000046765-19-000012-index-headers.html | 2019-10-02 16:42:52 | |
| 0000046765-19-000012-index.html | 2019-10-02 16:42:52 | |
| 0000046765-19-000012.txt | 2019-10-02 16:42:52 | |
 0000046765-19-000012-xbrl.zip | 11724 | 2019-10-02 16:42:52 |
| FilingSummary.xml | 1672 | 2019-10-02 16:42:52 |
| Financial_Report.xlsx | 5794 | 2019-10-02 16:42:52 |
| hp-20191001.htm | 33648 | 2019-10-02 16:42:52 |
| hp-20191001.xsd | 2558 | 2019-10-02 16:42:52 |
| hp-20191001_cal.xml | 714 | 2019-10-02 16:42:52 |
| hp-20191001_def.xml | 1678 | 2019-10-02 16:42:52 |
| hp-20191001_htm.xml | 10505 | 2019-10-02 16:42:52 |
| hp-20191001_lab.xml | 24265 | 2019-10-02 16:42:52 |
| hp-20191001_pre.xml | 12650 | 2019-10-02 16:42:52 |
| MetaLinks.json | 17914 | 2019-10-02 16:42:52 |
| R1.htm | 38602 | 2019-10-02 16:42:52 |
| report.css | 2766 | 2019-10-02 16:42:52 |
| Show.js | 1085 | 2019-10-02 16:42:52 |