Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000315213-23-000016-index-headers.html | 2023-02-10 15:08:26 | |
| 0000315213-23-000016-index.html | 2023-02-10 15:08:26 | |
| 0000315213-23-000016.txt | 2023-02-10 15:08:26 | |
 0000315213-23-000016-xbrl.zip | 410306 | 2023-02-10 15:08:26 |
| FilingSummary.xml | 47018 | 2023-02-10 15:08:26 |
| Financial_Report.xlsx | 114580 | 2023-02-10 15:08:26 |
| MetaLinks.json | 772123 | 2023-02-10 15:08:26 |
| R1.htm | 64209 | 2023-02-10 15:08:26 |
| R10.htm | 84414 | 2023-02-10 15:08:26 |
| R11.htm | 18167 | 2023-02-10 15:08:26 |
| R12.htm | 40905 | 2023-02-10 15:08:26 |
| R13.htm | 11996 | 2023-02-10 15:08:26 |
| R14.htm | 16763 | 2023-02-10 15:08:26 |
| R15.htm | 25036 | 2023-02-10 15:08:26 |
| R16.htm | 24832 | 2023-02-10 15:08:26 |
| R17.htm | 12476 | 2023-02-10 15:08:26 |
| R18.htm | 15587 | 2023-02-10 15:08:26 |
| R19.htm | 105798 | 2023-02-10 15:08:26 |
| R2.htm | 7805 | 2023-02-10 15:08:26 |
| R20.htm | 11946 | 2023-02-10 15:08:26 |
| R21.htm | 24215 | 2023-02-10 15:08:26 |
| R22.htm | 64985 | 2023-02-10 15:08:26 |
| R23.htm | 23015 | 2023-02-10 15:08:26 |
| R24.htm | 53052 | 2023-02-10 15:08:26 |
| R25.htm | 8323 | 2023-02-10 15:08:26 |
| R26.htm | 26728 | 2023-02-10 15:08:26 |
| R27.htm | 87112 | 2023-02-10 15:08:26 |
| R28.htm | 69113 | 2023-02-10 15:08:26 |
| R29.htm | 32656 | 2023-02-10 15:08:26 |
| R3.htm | 101741 | 2023-02-10 15:08:26 |
| R30.htm | 11890 | 2023-02-10 15:08:26 |
| R31.htm | 18282 | 2023-02-10 15:08:26 |
| R32.htm | 27452 | 2023-02-10 15:08:26 |
| R33.htm | 27222 | 2023-02-10 15:08:26 |
| R34.htm | 11808 | 2023-02-10 15:08:26 |
| R35.htm | 13675 | 2023-02-10 15:08:26 |
| R36.htm | 110982 | 2023-02-10 15:08:26 |
| R37.htm | 19603 | 2023-02-10 15:08:26 |
| R38.htm | 58910 | 2023-02-10 15:08:26 |
| R39.htm | 22194 | 2023-02-10 15:08:26 |
| R4.htm | 17440 | 2023-02-10 15:08:26 |
| R40.htm | 49175 | 2023-02-10 15:08:26 |
| R41.htm | 7528 | 2023-02-10 15:08:26 |
| R42.htm | 25789 | 2023-02-10 15:08:26 |
| R43.htm | 7724 | 2023-02-10 15:08:26 |
| R44.htm | 35131 | 2023-02-10 15:08:26 |
| R45.htm | 12039 | 2023-02-10 15:08:26 |
| R46.htm | 14416 | 2023-02-10 15:08:26 |
| R47.htm | 28254 | 2023-02-10 15:08:26 |
| R48.htm | 9404 | 2023-02-10 15:08:26 |
| R49.htm | 11474 | 2023-02-10 15:08:26 |
| R5.htm | 70502 | 2023-02-10 15:08:26 |
| R50.htm | 11067 | 2023-02-10 15:08:26 |
| R51.htm | 18612 | 2023-02-10 15:08:26 |
| R52.htm | 18320 | 2023-02-10 15:08:26 |
| R53.htm | 15468 | 2023-02-10 15:08:26 |
| R54.htm | 20985 | 2023-02-10 15:08:26 |
| R55.htm | 20800 | 2023-02-10 15:08:26 |
| R56.htm | 11379 | 2023-02-10 15:08:26 |
| R57.htm | 6597 | 2023-02-10 15:08:26 |
| R58.htm | 8689 | 2023-02-10 15:08:26 |
| R59.htm | 20203 | 2023-02-10 15:08:26 |
| R6.htm | 29117 | 2023-02-10 15:08:26 |
| R60.htm | 12370 | 2023-02-10 15:08:26 |
| R61.htm | 23704 | 2023-02-10 15:08:26 |
| R62.htm | 12856 | 2023-02-10 15:08:26 |
| R63.htm | 40455 | 2023-02-10 15:08:26 |
| R64.htm | 25348 | 2023-02-10 15:08:26 |
| R65.htm | 14093 | 2023-02-10 15:08:26 |
| R66.htm | 28830 | 2023-02-10 15:08:26 |
| R67.htm | 6336 | 2023-02-10 15:08:26 |
| R68.htm | 6418 | 2023-02-10 15:08:26 |
| R69.htm | 6278 | 2023-02-10 15:08:26 |
| R7.htm | 57104 | 2023-02-10 15:08:26 |
| R70.htm | 36677 | 2023-02-10 15:08:26 |
| R71.htm | 46382 | 2023-02-10 15:08:26 |
| R72.htm | 39580 | 2023-02-10 15:08:26 |
| R73.htm | 12418 | 2023-02-10 15:08:26 |
| R74.htm | 28355 | 2023-02-10 15:08:26 |
| R75.htm | 16210 | 2023-02-10 15:08:26 |
| R76.htm | 11040 | 2023-02-10 15:08:26 |
| R77.htm | 19528 | 2023-02-10 15:08:26 |
| R8.htm | 4594 | 2023-02-10 15:08:26 |
| R9.htm | 93991 | 2023-02-10 15:08:26 |
| report.css | 2767 | 2023-02-10 15:08:26 |
| rhi-20221231.htm | 1941194 | 2023-02-10 15:08:26 |
| rhi-20221231.xsd | 59341 | 2023-02-10 15:08:26 |
| rhi-20221231_cal.xml | 83838 | 2023-02-10 15:08:26 |
| rhi-20221231_def.xml | 166806 | 2023-02-10 15:08:26 |
 rhi-20221231_g1.jpg | 87086 | 2023-02-10 15:08:26 |
| rhi-20221231_htm.xml | 1663765 | 2023-02-10 15:08:26 |
| rhi-20221231_lab.xml | 648895 | 2023-02-10 15:08:26 |
| rhi-20221231_pre.xml | 407501 | 2023-02-10 15:08:26 |
| rhi10k2022ex109.htm | 66209 | 2023-02-10 15:08:26 |
| rhi10k2022ex211.htm | 37413 | 2023-02-10 15:08:26 |
| rhi10k2022ex231.htm | 2771 | 2023-02-10 15:08:26 |
| rhi10k2022ex32.htm | 170126 | 2023-02-10 15:08:26 |
| rhi10k2022ex41.htm | 12426 | 2023-02-10 15:08:26 |
| rhiq42022ex311.htm | 10264 | 2023-02-10 15:08:26 |
| rhiq42022ex312.htm | 10344 | 2023-02-10 15:08:26 |
| rhiq42022ex321.htm | 5392 | 2023-02-10 15:08:26 |
| rhiq42022ex322.htm | 5393 | 2023-02-10 15:08:26 |
| Show.js | 1085 | 2023-02-10 15:08:26 |