Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001104659-20-037101-index-headers.html | 2020-03-23 08:31:08 | |
| 0001104659-20-037101-index.html | 2020-03-23 08:31:08 | |
| 0001104659-20-037101.txt | 2020-03-23 08:31:08 | |
 0001104659-20-037101-xbrl.zip | 14824 | 2020-03-23 08:31:08 |
| FilingSummary.xml | 1631 | 2020-03-23 08:31:08 |
| Financial_Report.xlsx | 5808 | 2020-03-23 08:31:08 |
| hp-20200323.xsd | 3171 | 2020-03-23 08:31:08 |
| hp-20200323_lab.xml | 34591 | 2020-03-23 08:31:08 |
| hp-20200323_pre.xml | 22702 | 2020-03-23 08:31:08 |
| MetaLinks.json | 38496 | 2020-03-23 08:31:08 |
| R1.htm | 40135 | 2020-03-23 08:31:08 |
| report.css | 2766 | 2020-03-23 08:31:08 |
| Show.js | 1085 | 2020-03-23 08:31:08 |
| tm2012579d1_8k.htm | 25818 | 2020-03-23 08:31:08 |
| tm2012579d1_8k_htm.xml | 3599 | 2020-03-23 08:31:08 |
| tm2012579d1_ex99-1.htm | 13149 | 2020-03-23 08:31:08 |
 tm2012579d1_ex99-1img001.jpg | 9663 | 2020-03-23 08:31:08 |
 tm2012579d1_ex99-1img002.jpg | 4579 | 2020-03-23 08:31:08 |