XML 61 R51.htm IDEA: XBRL DOCUMENT
v3.23.1

Employee Deferred Compensation Plan Obligations - Schedule of Contribution Plans and Nonqualified Plans (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Deferred Compensation Plans [Abstract] |  |
Contribution expense | $ 11,281 | $ 12,202
Increase (decrease) in employee deferred compensation expense related to changes in the fair value of trust assets | 27,291 | (30,001)
Total compensation expense related to qualified defined contribution plans and nonqualified plans | $ 38,572 | $ (17,799)

X
- Definition Deferred Compensation Plans + References No definition available. + Details
Name: | rhi_DeferredCompensationPlansAbstract
Namespace Prefix: | rhi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Defined Contribution Plan, (Income) Expense + References No definition available. + Details
Name: | rhi_DefinedContributionPlanIncomeExpense
Namespace Prefix: | rhi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The compensation expense recognized during the period pertaining to the deferred compensation arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 30 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6409875&loc=d3e20015-108363 + Details
Name: | us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration