XML 34 R2.htm IDEA: XBRL DOCUMENT
v3.23.1

Pay vs Performance Disclosure - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Pay vs Performance Disclosure [Table] |  |  |
Pay vs Performance [Table Text Block] | Pay Versus Performance The following table reports the compensation of our Principal Executive Officer (“PEO”)1 and the average compensation of the other NEOs1 as reported in the Summary Compensation Table for the past three fiscal years, as well as their “compensation actually paid” (“CAP”) as calculated pursuant to recently adopted SEC rules and certain performance measures required by the rules.
​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ | Value of Initial Fixed $100 Investment Based on: | ​ | ​ |  | ​ | ​ |  | ​
​ | Year | ​ | ​ | Summary Comp Table (SCT) - PEO | ​ | ​ | Compensation Actually Paid (CAP) – PEO(2) | ​ | ​ | Average SCT Non-PEOs | ​ | ​ | Avg CAP - Non-PEOs(3) | ​ | ​ | Total Shareholder Return | ​ | ​ | Peer Group Shareholder Return(4) | ​ | ​ | Net Income (in thousands) | ​ | ​ | Revenue (in thousands)(5) | ​
​ | 2022 | ​ | ​ | $9,391,554 | ​ | ​ | $(945,769) | ​ | ​ | $4,226,824 | ​ | ​ | $(594,670) | ​ | ​ | $124.11 | ​ | ​ | $110.84 | ​ | ​ | $657,919 | ​ | ​ | $7,238,142 | ​
​ | 2021 | ​ | ​ | $8,971,474 | ​ | ​ | $31,454,099 | ​ | ​ | $4,029,518 | ​ | ​ | $15,993,523 | ​ | ​ | $183.81 | ​ | ​ | $146.45 | ​ | ​ | $598,626 | ​ | ​ | $6,461,444 | ​
​ | 2020 | ​ | ​ | $6,595,507 | ​ | ​ | $7,439,020 | ​ | ​ | $3,458,542 | ​ | ​ | $3,620,347 | ​ | ​ | $101.36 | ​ | ​ | $98.25 | ​ | ​ | $306,276 | ​ | ​ | $5,109,000 | ​
(1) | During 2020-2022, Mr. M. Keith Waddell was our CEO. During 2020-2022, the Company’s non-PEO NEOs consisted of Mr. Michael C. Buckley, Paul F. Gentzkow, Robert W. Glass, and Harold M. Messmer.
(2) | The SEC rules require that certain adjustments be made to the Summary Compensation Table totals to determine CAP, as reported in the Pay Versus Performance table above. The applicable adjustments that were made to determine CAP for the PEO are summarized in the following table:
​ | Year | ​ | ​ | Summary Comp Table | ​ | ​ | Subtract: Stock Awards in Summary Comp Table | ​ | ​ | Add fair value of all awards granted during the fiscal year that are outstanding and unvested | ​ | ​ | Add the change in fair value of any awards granted in any prior fiscal year that are outstanding and unvested | ​ | ​ | Add the fair value of awards that are granted and vest in the same year | ​ | ​ | Add the change in fair value of any awards granted in any prior fiscal year that vested | ​ | ​ | Subtract the fair value of any awards granted in any prior fiscal year that fail to meet the applicable vesting conditions | ​ | ​ | Add any dividends or other earnings paid on awards that are not otherwise included in the total compensation for the covered fiscal year | ​ | ​ | Compensation Actually Paid (CAP) | ​
​ | 2022 | ​ | ​ | $9,391,554 | ​ | ​ | $(5,304,563) | ​ | ​ | $4,509,735 | ​ | ​ | $(9,246,281) | ​ | ​ | ​$0 | ​ | ​ | $(296,214) | ​ | ​ | ​$0 | ​ | ​ | ​$0 | ​ | ​ | $(945,769) | ​
​ | 2021 | ​ | ​ | $8,971,474 | ​ | ​ | $(5,202,987) | ​ | ​ | $12,062,350 | ​ | ​ | $14,239,450 | ​ | ​ | ​$0 | ​ | ​ | $1,383,812 | ​ | ​ | ​$0 | ​ | ​ | ​$0 | ​ | ​ | $31,454,099 | ​
​ | 2020 | ​ | ​ | $6,595,507 | ​ | ​ | $(4,575,965) | ​ | ​ | $7,360,830 | ​ | ​ | $458,750 | ​ | ​ | ​$0 | ​ | ​ | $(2,400,102) | ​ | ​ | ​$0 | ​ | ​ | ​$0 | ​ | ​ | $7,439,020 | ​
(3) | The SEC rules require that certain adjustments be made to the Summary Compensation Table totals to determine CAP, as reported in the Pay Versus Performance table above. The applicable adjustments that were made to determine CAP for the non-PEO NEOs is summarized in the following table:
​ | Year | ​ | ​ | Summary Comp Table | ​ | ​ | Subtract: Stock Awards in Summary Comp Table | ​ | ​ | Add fair value of all awards granted during the fiscal year that are outstanding and unvested | ​ | ​ | Add the change in fair value of any awards granted in any prior fiscal year that are outstanding and unvested | ​ | ​ | Add the fair value of awards that are granted and vest in the same year | ​ | ​ | Add the change in fair value of any awards granted in any prior fiscal year that vested | ​ | ​ | Subtract the fair value of any awards granted in any prior fiscal year that fail to meet the applicable vesting conditions | ​ | ​ | Add any dividends or other earnings paid on awards that are not otherwise included in the total compensation for the covered fiscal year | ​ | ​ | Compensation Actually Paid (CAP) | ​
​ | 2022 | ​ | ​ | $4,226,824 | ​ | ​ | $(2,185,148) | ​ | ​ | $1,857,728 | ​ | ​ | $(4,301,705) | ​ | ​ | ​$0 | ​ | ​ | $(192,369) | ​ | ​ | ​$0 | ​ | ​ | ​$0 | ​ | ​ | $(594,670) | ​
​ | 2021 | ​ | ​ | $4,029,518 | ​ | ​ | $(2,143,374) | ​ | ​ | $4,969,092 | ​ | ​ | $8,239,605 | ​ | ​ | ​$0 | ​ | ​ | $898,682 | ​ | ​ | ​$0 | ​ | ​ | ​$0 | ​ | ​ | $15,993,523 | ​
​ | 2020 | ​ | ​ | $3,458,542 | ​ | ​ | $(2,337,509) | ​ | ​ | $3,760,082 | ​ | ​ | $297,925 | ​ | ​ | ​$0 | ​ | ​ | $(1,558,693) | ​ | ​ | ​$0 | ​ | ​ | ​$0 | ​ | ​ | $3,620,347 | ​
(4) | The peer group used for calculating Peer Group Total Shareholder Return consists of the following corporations providing temporary or permanent employment services: Kelly Services, Inc.; Kforce, Inc.; ManpowerGroup; and Resources Connection Inc. This is the same group of companies used to prepare the Stock Performance Graph disclosed in the Company’s Annual Report on Form 10-K.
(5) | The Company has identified revenue as the company-selected measure for the pay versus performance disclosure, as it represents the most important performance measure not otherwise required to be disclosed in the table, which includes net income, that the Company uses to link compensation actually paid to the Company’s NEOs to Company performance for the most recently completed fiscal year.
Company Selected Measure Name | Revenue |  |
Named Executive Officers, Footnote [Text Block] |
(1) | During 2020-2022, Mr. M. Keith Waddell was our CEO. During 2020-2022, the Company’s non-PEO NEOs consisted of Mr. Michael C. Buckley, Paul F. Gentzkow, Robert W. Glass, and Harold M. Messmer.
Peer Group Issuers, Footnote [Text Block] |
(4) | The peer group used for calculating Peer Group Total Shareholder Return consists of the following corporations providing temporary or permanent employment services: Kelly Services, Inc.; Kforce, Inc.; ManpowerGroup; and Resources Connection Inc. This is the same group of companies used to prepare the Stock Performance Graph disclosed in the Company’s Annual Report on Form 10-K.
PEO Total Compensation Amount | $ 9,391,554 | $ 8,971,474 | $ 6,595,507
PEO Actually Paid Compensation Amount | $ (945,769) | 31,454,099 | 7,439,020
Adjustment To PEO Compensation, Footnote [Text Block] |
(2) | The SEC rules require that certain adjustments be made to the Summary Compensation Table totals to determine CAP, as reported in the Pay Versus Performance table above. The applicable adjustments that were made to determine CAP for the PEO are summarized in the following table:
​ | Year | ​ | ​ | Summary Comp Table | ​ | ​ | Subtract: Stock Awards in Summary Comp Table | ​ | ​ | Add fair value of all awards granted during the fiscal year that are outstanding and unvested | ​ | ​ | Add the change in fair value of any awards granted in any prior fiscal year that are outstanding and unvested | ​ | ​ | Add the fair value of awards that are granted and vest in the same year | ​ | ​ | Add the change in fair value of any awards granted in any prior fiscal year that vested | ​ | ​ | Subtract the fair value of any awards granted in any prior fiscal year that fail to meet the applicable vesting conditions | ​ | ​ | Add any dividends or other earnings paid on awards that are not otherwise included in the total compensation for the covered fiscal year | ​ | ​ | Compensation Actually Paid (CAP) | ​
​ | 2022 | ​ | ​ | $9,391,554 | ​ | ​ | $(5,304,563) | ​ | ​ | $4,509,735 | ​ | ​ | $(9,246,281) | ​ | ​ | ​$0 | ​ | ​ | $(296,214) | ​ | ​ | ​$0 | ​ | ​ | ​$0 | ​ | ​ | $(945,769) | ​
​ | 2021 | ​ | ​ | $8,971,474 | ​ | ​ | $(5,202,987) | ​ | ​ | $12,062,350 | ​ | ​ | $14,239,450 | ​ | ​ | ​$0 | ​ | ​ | $1,383,812 | ​ | ​ | ​$0 | ​ | ​ | ​$0 | ​ | ​ | $31,454,099 | ​
​ | 2020 | ​ | ​ | $6,595,507 | ​ | ​ | $(4,575,965) | ​ | ​ | $7,360,830 | ​ | ​ | $458,750 | ​ | ​ | ​$0 | ​ | ​ | $(2,400,102) | ​ | ​ | ​$0 | ​ | ​ | ​$0 | ​ | ​ | $7,439,020 | ​
Non-PEO NEO Average Total Compensation Amount | $ 4,226,824 | 4,029,518 | 3,458,542
Non-PEO NEO Average Compensation Actually Paid Amount | $ (594,670) | 15,993,523 | 3,620,347
Adjustment to Non-PEO NEO Compensation Footnote [Text Block] |
(3) | The SEC rules require that certain adjustments be made to the Summary Compensation Table totals to determine CAP, as reported in the Pay Versus Performance table above. The applicable adjustments that were made to determine CAP for the non-PEO NEOs is summarized in the following table:
​ | Year | ​ | ​ | Summary Comp Table | ​ | ​ | Subtract: Stock Awards in Summary Comp Table | ​ | ​ | Add fair value of all awards granted during the fiscal year that are outstanding and unvested | ​ | ​ | Add the change in fair value of any awards granted in any prior fiscal year that are outstanding and unvested | ​ | ​ | Add the fair value of awards that are granted and vest in the same year | ​ | ​ | Add the change in fair value of any awards granted in any prior fiscal year that vested | ​ | ​ | Subtract the fair value of any awards granted in any prior fiscal year that fail to meet the applicable vesting conditions | ​ | ​ | Add any dividends or other earnings paid on awards that are not otherwise included in the total compensation for the covered fiscal year | ​ | ​ | Compensation Actually Paid (CAP) | ​
​ | 2022 | ​ | ​ | $4,226,824 | ​ | ​ | $(2,185,148) | ​ | ​ | $1,857,728 | ​ | ​ | $(4,301,705) | ​ | ​ | ​$0 | ​ | ​ | $(192,369) | ​ | ​ | ​$0 | ​ | ​ | ​$0 | ​ | ​ | $(594,670) | ​
​ | 2021 | ​ | ​ | $4,029,518 | ​ | ​ | $(2,143,374) | ​ | ​ | $4,969,092 | ​ | ​ | $8,239,605 | ​ | ​ | ​$0 | ​ | ​ | $898,682 | ​ | ​ | ​$0 | ​ | ​ | ​$0 | ​ | ​ | $15,993,523 | ​
​ | 2020 | ​ | ​ | $3,458,542 | ​ | ​ | $(2,337,509) | ​ | ​ | $3,760,082 | ​ | ​ | $297,925 | ​ | ​ | ​$0 | ​ | ​ | $(1,558,693) | ​ | ​ | ​$0 | ​ | ​ | ​$0 | ​ | ​ | $3,620,347 | ​
Compensation Actually Paid vs. Total Shareholder Return [Text Block] | Pay-for-Performance Alignment The following charts reflect how the CAP over the three-year period ended December 31, 2022 aligns to trends in the Company’s Revenue, Net Income, and Total Shareholder Return of the Company and the Peer Group during the same period. |  |
Compensation Actually Paid vs. Net Income [Text Block] | Pay-for-Performance Alignment The following charts reflect how the CAP over the three-year period ended December 31, 2022 aligns to trends in the Company’s Revenue, Net Income, and Total Shareholder Return of the Company and the Peer Group during the same period. |  |
Compensation Actually Paid vs. Company Selected Measure [Text Block] | Pay-for-Performance Alignment The following charts reflect how the CAP over the three-year period ended December 31, 2022 aligns to trends in the Company’s Revenue, Net Income, and Total Shareholder Return of the Company and the Peer Group during the same period. |  |
Total Shareholder Return Vs Peer Group [Text Block] | Pay-for-Performance Alignment The following charts reflect how the CAP over the three-year period ended December 31, 2022 aligns to trends in the Company’s Revenue, Net Income, and Total Shareholder Return of the Company and the Peer Group during the same period. |  |
Tabular List [Table Text Block] | Tabular List of Most Important Financial Performance Measures Linking Compensation to Company Performance The following table lists the most important financial performance measures used by the Company to link compensation actually paid to our NEOs to Company performance for the fiscal year ended December 31, 2022. The four performance measures below are further described in our CD&A section.
​ | Most Important Financial Measures for 2022 | ​ | ​ | Nature | ​ | ​ | Description | ​
​ | Relative ROIC | ​ | ​ | Financial Measure | ​ | ​ | Performance against the 65th percentile ROIC of an industry peer group over the three-year measurement period(a) | ​
​ | Relative TSR | ​ | ​ | Financial Measure | ​ | ​ | Performance against the 50th percentile TSR of the industry peer group over the three-year measurement period(a) | ​
​ | Net Income | ​ | ​ | Financial Measure | ​ | ​ | GAAP Net Income compared to target | ​
​ | Revenue | ​ | ​ | Financial Measure | ​ | ​ | GAAP Revenue compared to target | ​
(a) | For a full description of the 2022 performance share grants, please see the 2022 Performance Design section in the CD&A on page 33.
Total Shareholder Return Amount | $ 124.11 | 183.81 | 101.36
Peer Group Total Shareholder Return Amount | 110.84 | 146.45 | 98.25
Net Income (Loss) | $ 657,919,000 | $ 598,626,000 | $ 306,276,000
Company Selected Measure Amount | 7,238,142,000 | 6,461,444,000 | 5,109,000,000
PEO Name | Mr. M. Keith Waddell | Mr. M. Keith Waddell | Mr. M. Keith Waddell
Measure [Axis]: 1 |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Measure Name | Relative ROIC |  |
Measure [Axis]: 2 |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Measure Name | Relative TSR |  |
Measure [Axis]: 3 |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Measure Name | Net Income |  |
Measure [Axis]: 4 |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Measure Name | Revenue |  |
PEO [Member] | Stock Awards in Summary Comp Table [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | $ (5,304,563) | $ (5,202,987) | $ (4,575,965)
PEO [Member] | Fair Value of All Awards Granted During the Fiscal Year That are Outstanding and Unvested [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | 4,509,735 | 12,062,350 | 7,360,830
PEO [Member] | Change in Fair Value of Any Awards Granted in Any Prior Fiscal Year that are Outstanding and Unvested [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | (9,246,281) | 14,239,450 | 458,750
PEO [Member] | Fair Value of Awards That are Granted and Vest in the Same Year [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | 0 | 0 | 0
PEO [Member] | Change in Fair Value of Any Awards Granted in Any Prior Fiscal Year That Vested [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | (296,214) | 1,383,812 | (2,400,102)
PEO [Member] | Fair Value of Any Awards Granted in Any Prior Fiscal Year That Fail to Meet the Applicable Vesting Conditions [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | 0 | 0 | 0
PEO [Member] | Any Dividends or Other Earnings Paid on Awards That are Not Otherwise Included in the Total Compensation for the Covered Fiscal Year [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | 0 | 0 | 0
Non-PEO NEO [Member] | Stock Awards in Summary Comp Table [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | (2,185,148) | (2,143,374) | (2,337,509)
Non-PEO NEO [Member] | Fair Value of All Awards Granted During the Fiscal Year That are Outstanding and Unvested [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | 1,857,728 | 4,969,092 | 3,760,082
Non-PEO NEO [Member] | Change in Fair Value of Any Awards Granted in Any Prior Fiscal Year that are Outstanding and Unvested [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | (4,301,705) | 8,239,605 | 297,925
Non-PEO NEO [Member] | Fair Value of Awards That are Granted and Vest in the Same Year [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | 0 | 0 | 0
Non-PEO NEO [Member] | Change in Fair Value of Any Awards Granted in Any Prior Fiscal Year That Vested [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | (192,369) | 898,682 | (1,558,693)
Non-PEO NEO [Member] | Fair Value of Any Awards Granted in Any Prior Fiscal Year That Fail to Meet the Applicable Vesting Conditions [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | 0 | 0 | 0
Non-PEO NEO [Member] | Any Dividends or Other Earnings Paid on Awards That are Not Otherwise Included in the Total Compensation for the Covered Fiscal Year [Member] |  |  |
Pay vs Performance Disclosure [Table] |  |  |
Adjustment to Compensation Amount | $ 0 | $ 0 | $ 0

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
Name: | ecd_AdjToCompAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
Name: | ecd_AdjToNonPeoNeoCompFnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
Name: | ecd_AdjToPeoCompFnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph vi + Details
Name: | ecd_CoSelectedMeasureAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph vi + Details
Name: | ecd_CoSelectedMeasureName
Namespace Prefix: | ecd_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 5 -Subparagraph iii + Details
Name: | ecd_CompActuallyPaidVsCoSelectedMeasureTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 5 -Subparagraph ii + Details
Name: | ecd_CompActuallyPaidVsNetIncomeTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 5 -Subparagraph i + Details
Name: | ecd_CompActuallyPaidVsTotalShareholderRtnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph vi + Details
Name: | ecd_MeasureName
Namespace Prefix: | ecd_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
Name: | ecd_NamedExecutiveOfficersFnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iii + Details
Name: | ecd_NonPeoNeoAvgCompActuallyPaidAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph ii + Details
Name: | ecd_NonPeoNeoAvgTotalCompAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iv + Details
Name: | ecd_PeerGroupIssuersFnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iv + Details
Name: | ecd_PeerGroupTotalShareholderRtnAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iii + Details
Name: | ecd_PeoActuallyPaidCompAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
Name: | ecd_PeoName
Namespace Prefix: | ecd_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph ii + Details
Name: | ecd_PeoTotalCompAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 1 + Details
Name: | ecd_PvpTable
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 1 + Details
Name: | ecd_PvpTableTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 6 + Details
Name: | ecd_TabularListTableTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iv + Details
Name: | ecd_TotalShareholderRtnAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 5 -Subparagraph iv + Details
Name: | ecd_TotalShareholderRtnVsPeerGroupTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(22)) -URI https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (f) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=124431687&loc=d3e22595-107794 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(18)) -URI https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 40 -Section 65 -Paragraph 1 -Subparagraph (f) -URI https://asc.fasb.org/extlink&oid=126732423&loc=SL123482106-238011 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=124431353&loc=SL124452729-227067 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(5)) -URI https://asc.fasb.org/extlink&oid=126975872&loc=SL124442552-122756 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(20)) -URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227 Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI https://asc.fasb.org/extlink&oid=124431687&loc=d3e22499-107794 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(iv)) -URI https://asc.fasb.org/extlink&oid=126975872&loc=SL124442526-122756 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(iii)(A)) -URI https://asc.fasb.org/extlink&oid=126975872&loc=SL124442526-122756 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(i)) -URI https://asc.fasb.org/extlink&oid=126975872&loc=SL124442552-122756 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(i)) -URI https://asc.fasb.org/extlink&oid=126975872&loc=SL124442526-122756 Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 9 -URI https://asc.fasb.org/extlink&oid=124431687&loc=d3e22663-107794 Reference 16: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iv)) -URI https://asc.fasb.org/extlink&oid=126975872&loc=SL124442552-122756 Reference 17: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(ii)) -URI https://asc.fasb.org/extlink&oid=126975872&loc=SL124442526-122756 Reference 18: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 28 -Subparagraph (f) -URI https://asc.fasb.org/extlink&oid=123596393&loc=d3e14064-108612 Reference 19: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=124431687&loc=d3e22583-107794 Reference 20: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(g)(1)(ii)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 21: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 60B -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126958026&loc=SL5780133-109256 Reference 22: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 Reference 23: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=124431687&loc=d3e22658-107794 Reference 24: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1A -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126968391&loc=SL7669619-108580 Reference 25: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8924-108599 Reference 26: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 11 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124431687&loc=d3e22694-107794 Reference 27: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 11 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124431687&loc=d3e22694-107794 Reference 28: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=109222650&loc=SL51721683-107760 Reference 29: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1B -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126968391&loc=SL7669625-108580 Reference 30: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599 Reference 31: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(5)) -URI https://asc.fasb.org/extlink&oid=126975872&loc=SL124442526-122756 Reference 32: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iii)(B)) -URI https://asc.fasb.org/extlink&oid=126975872&loc=SL124442552-122756 Reference 33: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iii)(A)) -URI https://asc.fasb.org/extlink&oid=126975872&loc=SL124442552-122756 Reference 34: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8906-108599 Reference 35: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599 + Details
Name: | us-gaap_NetIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ecd_MeasureAxis=1
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_MeasureAxis=2
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_MeasureAxis=3
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_MeasureAxis=4
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_ExecutiveCategoryAxis=ecd_PeoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=rhi_StockAwardsInSummaryCompTableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=rhi_FairValueOfAllAwardsGrantedDuringTheFiscalYearThatAreOutstandingAndUnvestedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=rhi_ChangeInFairValueOfAnyAwardsGrantedInAnyPriorFiscalYearThatAreOutstandingAndUnvestedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=rhi_FairValueOfAwardsThatAreGrantedAndVestInTheSameYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=rhi_ChangeInFairValueOfAnyAwardsGrantedInAnyPriorFiscalYearThatVestedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=rhi_FairValueOfAnyAwardsGrantedInAnyPriorFiscalYearThatFailToMeetTheApplicableVestingConditionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_AdjToCompAxis=rhi_AnyDividendsOrOtherEarningsPaidOnAwardsThatAreNotOtherwiseIncludedInTheTotalCompensationForTheCoveredFiscalYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_ExecutiveCategoryAxis=ecd_NonPeoNeoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |