Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Trading Arrangement: Trading Arrangement [Axis] Schedule of Other Noncurrent Assets Schedule of Other Assets, Noncurrent [Table Text Block] Maximum Maximum [Member] Statistical Measurement [Domain] Statistical Measurement [Domain] Title of 12(b) Security Title of 12(b) Security Subsequent Event Subsequent Event [Member] Document Fiscal Year Focus Document Fiscal Year Focus Revenue recognized Contract with Customer, Liability, Revenue Recognized, Excluding Opening Balance Contract with Customer, Liability, Revenue Recognized, Excluding Opening Balance Payments in advance of satisfaction of performance obligations Contract with Customer, Liability, Change in Timeframe, Performance Obligation Satisfied, Revenue Recognized Remaining performance obligation, expected duration Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Finance and accounting Finance and Accounting [Member] Finance and Accounting Adjustment to Compensation, Amount Adjustment to Compensation Amount Segment Reporting [Abstract] Segment Reporting [Abstract] Common stock, $0.001 par value; authorized 260,000,000 shares; issued and outstanding 102,361,829 shares and 101,140,684 shares Common Stock, Value, Issued 2027 Lessee, Operating Lease, Liability, to be Paid, Year One Accrued payroll and benefit costs Accrued payroll and benefit costs Employee-related Liabilities, Current Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Line of Credit Line of Credit [Member] Restatement Determination Date Restatement Determination Date Contracts expected duration Revenue, Performance Obligation, Description of Timing Net issuances of restricted stock (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Beginning balance Ending balance Accounts Receivable, Allowance for Credit Loss Amendment Flag Amendment Flag Goodwill [Line Items] Goodwill [Line Items] Allowance for credit losses Accounts Receivable, Credit Loss Expense (Reversal) Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Other, including translation adjustments Contract With Customer, Liability, Other, Including Translation Adjustments Contract With Customer, Liability, Other, Including Translation Adjustments Standby letter of credit Standby Letters of Credit [Member] Loss Contingencies [Table] Loss Contingencies [Table] Investments [Domain] Investments [Domain] Leases [Abstract] Leases [Abstract] Unamortized cloud computing implementation costs, current Capitalized Computer Software, Gross, Current Capitalized Computer Software, Gross, Current Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Segment income Combined Segment Income (Loss) Combined Segment Income (Loss) Property, Plant, and Equipment [Abstract] Property, Plant, and Equipment [Abstract] Entity Address, State or Province Entity Address, State or Province Foreign currency translation adjustments, net of tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent PEO Total Compensation Amount PEO Total Compensation Amount Common stock, par value (in usd per share) Common Stock, Par or Stated Value Per Share Dividend income Deferred Compensation Plan, Dividend Income Deferred Compensation Plan, Dividend Income Basic (in shares) Weighted average shares (in shares) Weighted Average Number of Shares Outstanding, Basic Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Loss Contingencies [Line Items] Loss Contingencies [Line Items] Number of reportable segments Number of Reportable Segments Total current liabilities Liabilities, Current 2030 Lessee, Operating Lease, Liability, to be Paid, Year Four Permanent placement talent solutions Permanent placement talent solutions Permanent Placement Talent Solutions [Member] Permanent Placement Talent Solutions Proceeds from employee deferred compensation trust redemptions Proceeds From Employee Deferred Compensation Trust Redemptions Proceeds From Employee Deferred Compensation Trust Redemptions COMPREHENSIVE INCOME (LOSS): Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Lease, Cost [Abstract] Lease, Cost [Abstract] Entity Address, City or Town Entity Address, City or Town Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Credit agreement amount Line of Credit Facility, Maximum Borrowing Capacity Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Option to terminate lease term Lessee, Operating Lease, Termination Period Lessee, Operating Lease, Termination Period Subsequent Event Type [Axis] Subsequent Event Type [Axis] Contract Liabilities [Roll Forward] Increase (Decrease) in Contract with Customer, Liability [Roll Forward] Increase (Decrease) in Contract with Customer, Liability Operating Leases, Weighted Average Discount Rate, Percent Operating Leases, Weighted Average Discount Rate, Percent [Abstract] Operating Leases, Weighted Average Discount Rate, Percent [Abstract] Recently Adopted Accounting Pronouncements/Recently Issued Accounting Pronouncements Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] Schedule of Reconciliation of Revenue and Operating Income by Reportable Segment to Consolidated Results Segment Reporting [Table Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Contribution expense Defined Contribution Plan, Employer Discretionary Contribution Amount Repurchases related to employee stock plans Stock Repurchased Under Employee Stock Plan During Period Value Value of shares repurchased in connection with employee stock plans, whereby Company shares were tendered by employees for the payment of applicable withholding taxes and/or exercise price. Service Revenues and Costs of Services Revenue from Contract with Customer [Policy Text Block] Total other comprehensive income (loss) Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Schedule of Accrued Payroll and Benefit Costs Schedule of Accrued Liabilities [Table Text Block] Property and Equipment, Net Property, Plant, and Equipment [Text Block] Schedule of Future Minimum Lease Payments Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Income taxes payable Increase (Decrease) in Income Taxes Payable Document Period End Date Document Period End Date Computer hardware Computer Hardware [Member] Computer Hardware [Member] Changes in operating assets and liabilities, net of effects of acquisitions: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Net cash flows used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Basic: Earnings Per Share, Basic [Abstract] 2028 Lessee, Operating Lease, Liability, to be Paid, Year Two Stockholders' Equity Equity [Text Block] Security Exchange Name Security Exchange Name Operating Leased Assets [Line Items] Lessee, Lease, Description [Line Items] Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Consolidation Items [Domain] Consolidation Items [Domain] Current operating lease liabilities Current operating lease liabilities Operating Lease, Liability, Current Segment costs of services Segment Cost Of Goods And Services Sold Segment Cost Of Goods And Services Sold Schedule of Accounts Receivable, Allowance for Credit Loss Accounts Receivable, Allowance for Credit Loss [Table Text Block] Schedule of Components of Property and Equipment Property, Plant, and Equipment [Table Text Block] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Net Income Per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Net income per share: Earnings Per Share [Abstract] Earnings Per Share [Abstract] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Total liabilities Liabilities Trading Symbol Trading Symbol Capital expenditures Payments to Acquire Property, Plant, and Equipment Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Protiviti Protiviti [Member] Protiviti Income taxes payable Accrued Income Taxes, Current Company Selected Measure Name Company Selected Measure Name Diluted: Earnings Per Share, Diluted [Abstract] Credit Facility [Domain] Credit Facility [Domain] CASH FLOWS FROM OPERATING ACTIVITIES: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Diluted (in shares) Diluted weighted average shares (in shares) Weighted Average Number of Shares Outstanding, Diluted Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Amortization of cloud computing implementation costs Amortization of Cloud Computing Implementation Costs Amortization of Cloud Computing Implementation Costs Entity Emerging Growth Company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Schedule of Other Current Assets Schedule of Other Current Assets [Table Text Block] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Less: Imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Gross margin Gross Profit Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Investments in employee deferred compensation trusts Payments For Employee Deferred Compensation Plan Payments For Employee Deferred Compensation Plan Dilutive effect of potential common shares (in shares) Weighted Average Number of Shares Outstanding, Diluted, Adjustment Goodwill Goodwill [Text Block] Other assets and liabilities, net Increase (Decrease) in Other Operating Assets and Liabilities, Net Cash paid for operating lease liabilities Operating Lease, Payments Award Timing Predetermined Award Timing Predetermined [Flag] Intangible Asset, Goodwill and Other [Abstract] Intangible Asset, Goodwill and Other [Abstract] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Quoted Prices in Active Markets for Identical Assets (Level 1) Fair Value, Inputs, Level 1 [Member] Repurchases related to employee stock plans (in shares) Stock Repurchased Under Employee Stock Plan During Period Shares Shares repurchased in connection with employee stock plans, whereby Company shares were tendered by employees for the payment of applicable withholding taxes and/or exercise price. Fair Value of Financial Instruments Fair Value of Financial Instruments, Policy [Policy Text Block] All Executive Categories All Executive Categories [Member] Repurchases of common stock Stock Repurchased and Retired During Period, Value Compensation expenses Other Labor-related Expenses Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Preferred stock, par value (in usd per share) Preferred Stock, Par or Stated Value Per Share Depreciation Depreciation expense Depreciation Right-of-use assets Operating Lease, Right-of-Use Asset Weighted average remaining lease term: Operating Leases, Weighted Average Remaining Lease Term [Abstract] Operating Leases, Weighted Average Remaining Lease Term [Abstract] Accounting Changes and Error Corrections [Abstract] Accounting Changes and Error Corrections [Abstract] Schedule of Calculation of Net Income Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Business Segments Segment Reporting [Text Block] Borrowings under credit agreement Long-Term Line of Credit Minimum Minimum [Member] Investment Type [Axis] Investment Type [Axis] Expiration Date Trading Arrangement Expiration Date Schedule of Revenue Disaggregated by Functional Specialization and Segments Disaggregation of Revenue [Table Text Block] LIABILITIES Liabilities [Abstract] Effect of exchange rate fluctuations Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Weighted average shares: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Common stock, authorized (in shares) Common Stock, Shares Authorized Exercise Price Award Exercise Price CASH FLOWS FROM INVESTING ACTIVITIES: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Net issuances of restricted stock Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Remaining lease term Lessee, Operating Lease, Remaining Lease Term Segment Reporting [Line Items] Segment Reporting [Line Items] Document Quarterly Report Document Quarterly Report Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Segments [Domain] Segments [Domain] Stock-based compensation Restricted Stock or Unit Expense Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Common stock repurchased Common Stock Repurchased Value This element represents the value of stock that has been repurchased during the period that is held in treasury and is presented as if constructively retired. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Equity Component [Domain] Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Adoption Date Trading Arrangement Adoption Date Accrued payroll and benefit costs Increase (Decrease) in Accrued Payroll and Benefit Cost Increase (Decrease) in Accrued Payroll and Benefit Cost Total stockholders’ equity Balance at beginning of period Balance at end of period Equity, Attributable to Parent Other Current Assets Other Current Assets [Text Block] Deferred Compensation Plans [Abstract] Deferred Compensation Plans Unamortized cloud computing implementation costs, noncurrent Capitalized Computer Software, Gross, Noncurrent Capitalized Computer Software, Gross, Noncurrent Schedule of Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits, by Title of Individual and by Type of Deferred Compensation [Table] Deferred Compensation Arrangement with Individual, Excluding Share-Based Payment and Postretirement Benefit [Table] ASSETS Assets [Abstract] Employee deferred compensation trust assets Employee deferred compensation trust assets Deferred Compensation Plan Assets, Current Deferred Compensation Plan Assets, Current Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Workers’ compensation Workers' Compensation Liability, Current Accounting Policies [Abstract] Accounting Policies [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Present value of operating lease liabilities Operating Lease, Liability Insider Trading Policies and Procedures [Line Items] Schedule of Depreciation Expense Schedule Of Segment Depreciation Expense [Table Text Block] Depreciation Expense Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Maximum number of shares authorized to be repurchased (in shares) Share Repurchase Program, Authorized, Number of Shares Deferred income taxes Deferred Income Tax Expense (Benefit) Selling, general and administrative expenses Selling, General and Administrative Expense Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Employee deferred compensation plan obligations Deferred Compensation Liability, Current Number of operating segments Number of Operating Segments Schedule of Activity in Goodwill Goodwill [Table Text Block] Entity Central Index Key Entity Central Index Key Accumulated depreciation Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization All Adjustments to Compensation All Adjustments to Compensation [Member] Equity [Abstract] Equity [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Net cash flows (used in) provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Income Statement [Abstract] Income Statement [Abstract] STOCKHOLDERS’ EQUITY Equity, Attributable to Parent [Abstract] Document Transition Report Document Transition Report Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Noncurrent deferred income taxes Deferred Income Tax Assets, Net Elimination of intersegment revenues Intersegment Eliminations [Member] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] City Area Code City Area Code Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] All Individuals All Individuals [Member] Subsequent Events Subsequent Events [Text Block] Contract Talent Solutions And Protiviti Contract Talent Solutions And Protiviti [Member] Contract Talent Solutions And Protiviti Dividends paid Payments of Dividends Name Forgone Recovery, Individual Name Commitments and Contingencies Commitments and Contingencies, Policy [Policy Text Block] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Operating leases, not yet commenced, term Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract Statement [Line Items] Statement [Line Items] Total assets Assets Lessee, Operating Lease, Liability, Payment, Due [Abstract] Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Thereafter Lessee, Operating Lease, Liability, Payments, Due after Year Four Lessee, Operating Lease, Liability, Payments, Due after Year Four Foreign defined benefit plan adjustments, net of tax Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent (Income) loss from investments held in employee deferred compensation trusts (which is completely offset by related costs and expenses - Note A) (Income) loss from investments held in employee deferred compensation trusts (which is completely offset by related costs and expense) Deferred Compensation Plan, Investment Income Deferred Compensation Plan, Investment Income Net income per share: Earnings Per Share, Basic, Two Class Method [Abstract] Mutual funds - blend Mutual Fund, Blend [Member] Mutual Fund, Blend PEO PEO [Member] Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Capitalized cloud computing implementation costs Increase (Decrease) in Prepaid Expense Repurchases of common stock (in shares) Stock Repurchased and Retired During Period, Shares Other noncurrent liabilities Other Liabilities, Noncurrent Non-cash items: Cash Paid During Period For [Abstract] Cash Paid During Period For [Abstract] Goodwill Beginning balance Ending balance Goodwill Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Subsequent Event Type [Domain] Subsequent Event Type [Domain] Fund exchanges within employee deferred compensation trusts Deferred Compensation Plan, Fund Exchanges Within Plan Deferred Compensation Plan, Fund Exchanges Within Plan Payables and Accruals [Abstract] Payables and Accruals [Abstract] Retained Earnings Retained Earnings [Member] Noncurrent operating lease liabilities Operating Lease, Liability, Noncurrent Revolving Credit Facility Revolving Credit Facility [Member] Money market funds Money market funds Money Market Funds [Member] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, outstanding (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Diluted (in usd per share) Earnings Per Share, Diluted Entity Current Reporting Status Entity Current Reporting Status Net cash flows used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Amortization of intangible assets Intangible Asset, Finite-Lived, Amortization Expense 2025 Credit Agreement 2025 Credit Agreement [Member] 2025 Credit Agreement Guarantee period Staffing Placement, Guarantee Period Staffing Placement, Guarantee Period Adjustments to reconcile net income to net cash (used in) provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Charges to expense Accounts Receivable, Allowance for Credit Loss, Writeoff Schedule of Subsequent Events Schedule of Subsequent Events [Table Text Block] CASH FLOWS FROM FINANCING ACTIVITIES: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Service revenues Total service revenues Service revenues Revenue from Contract with Customer, Excluding Assessed Tax Property and equipment, net Property and equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Debt support standby letters of credit Line of Credit Facility, Remaining Borrowing Capacity Administrative and customer support Administrative and Customer Support [Member] Administrative and Customer Support Other comprehensive income (loss): Other Comprehensive Income (Loss), Tax [Abstract] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Other, including foreign currency translation adjustments Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease) Underlying Securities Award Underlying Securities Amount Revenue Recognition Revenue from Contract with Customer [Text Block] Prepaid expenses Prepaid Expense, Current Weighted average discount rate for operating leases Operating Lease, Weighted Average Discount Rate, Percent Segment Reporting [Table] Segment Reporting [Table] Schedule of Supplemental Cash Flow Information Lease, Cost [Table Text Block] Other current assets Other current assets Other Assets, Current Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Operating (loss) income Operating Income (Loss) Accrued Payroll and Benefit Costs Employee Related Liabilities Current Disclosure [Text Block] The total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Aggregate transaction price allocated to performance obligations Revenue, Remaining Performance Obligation, Amount Technology Technology [Member] Technology Current Fiscal Year End Date Current Fiscal Year End Date Segment selling, general and administrative expenses Segment Selling, General And Administrative Expense Segment Selling, General And Administrative Expense Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Dividends declared Adjustments to Additional Paid in Capital, Dividends in Excess of Retained Earnings Operating leases, not yet commenced, amount Unrecorded Unconditional Purchase Obligation Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Dividends declared per share (in usd per share) Dividends declared per share (in usd per share) Common Stock, Dividends, Per Share, Declared Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Common stock, issued (in shares) Balance at beginning of period (in shares) Balance at ending of period (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Cash Flow, Operating Activities, Lessee [Abstract] Cash Flow, Operating Activities, Lessee [Abstract] Other Noncurrent Assets Other Assets Disclosure [Text Block] Equity Components [Axis] Equity Components [Axis] Accounts receivable Increase (Decrease) in Accounts Receivable Product and Service [Domain] Product and Service [Domain] Increase in employee deferred compensation costs and expense related to changes in the fair value of trust assets Deferred Compensation Arrangement with Individual, Compensation Expense Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Entity Interactive Data Current Entity Interactive Data Current Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Accounts payable and accrued expenses Accounts Payable and Accrued Liabilities, Current Entity Small Business Entity Small Business Total comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent 2029 Lessee, Operating Lease, Liability, to be Paid, Year Three Termination Date Trading Arrangement Termination Date Property, Plant, and Equipment [Line Items] Property, Plant, and Equipment [Line Items] Subsequent Events [Abstract] Subsequent Events [Abstract] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Other noncurrent assets Other noncurrent assets Other Assets, Noncurrent Document Type Document Type Payments for acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Fair Value as of Grant Date Award Grant Date Fair Value Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Schedule of Goodwill [Table] Goodwill [Table] Other Other Assets, Miscellaneous, Current Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Arrangement Duration Trading Arrangement Duration Subsequent Event [Line Items] Subsequent Event [Line Items] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Consolidation Items [Axis] Consolidation Items [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Commitments and Contingencies (Note K) Commitments and Contingencies Property and equipment, cost Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Other Assets [Abstract] Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Option to extend lease term Lessor, Operating Lease, Renewal Term Goodwill Goodwill [Roll Forward] Furniture and equipment Furniture and Fixtures [Member] All Award Types Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Schedule of Number and Cost of Employee Stock Plan Repurchases Employee Stock Ownership Plan (ESOP) Disclosures [Table Text Block] 2026 (excluding the six months ended June 30, 2026) Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Significant Unobservable Inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Other Other Selling, General and Administrative Expense SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION: Supplemental Cash Flow Information [Abstract] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] PEO Name PEO Name Leasehold improvements Leasehold Improvements [Member] Beginning balance Ending balance Contract with Customer, Liability Property, Plant and Equipment, Type [Axis] Long-Lived Asset, Class [Axis] Interest income, net Interest Income (Expense), Operating and Nonoperating Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Allowance for Credit Losses Accounts Receivable, Allowance for Credit Loss [Roll Forward] Schedule of Operating Leased Assets [Table] Lessee, Lease, Description [Table] Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Debt Instrument [Axis] Debt Instrument [Axis] Subsequent Event [Table] Subsequent Event [Table] Common stock repurchased (in shares) Common Stock Repurchased Shares Number of shares repurchased during the period that are held in treasury and are presented as if constructively retired. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Allowance for Credit Losses Credit Loss, Financial Instrument [Policy Text Block] Leases Lessee, Operating Leases [Text Block] Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] Basic (in usd per share) Earnings Per Share, Basic Repurchases of common stock Payments for Repurchase of Common Stock Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Payroll taxes Accrued Payroll Taxes, Current Total contract talent solutions Contract talent solutions Contract Talent Solutions [Member] Contract Talent Solutions Award Type Award Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Schedule of Number and Cost of Common Stock Shares Repurchased Class of Treasury Stock [Table Text Block] Retained earnings Retained Earnings (Accumulated Deficit) Product and Service [Axis] Product and Service [Axis] Schedule of Supplemental Balance Sheet Information Assets And Liabilities, Lessee [Table Text Block] Assets And Liabilities, Lessee [Table Text Block] Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Advertising Costs Advertising Cost [Policy Text Block] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock [Member] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover page. Cover [Abstract] Employee Deferred Compensation Plan Obligations Deferred Compensation Plans [Text Block] Deferred Compensation Plans [Text Block] Schedule of Employee Deferred Compensation Plans Deferred Compensation Arrangement with Individual Disclosure, Postretirement Benefits [Table Text Block] Foreign currency translation adjustments Goodwill, Foreign Currency Translation, Gain (Loss) Equity Awards Adjustments Equity Awards Adjustments [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Total liabilities and stockholders’ equity Liabilities and Equity Payroll and benefits Accrued Salaries, Current Employee Stock Option Share-Based Payment Arrangement, Option [Member] Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Mutual funds - bonds Mutual Fund, Bond [Member] Mutual Fund, Bond Tabular List, Table Tabular List [Table Text Block] Additional paid-in capital Additional Paid in Capital Name Awards Close in Time to MNPI Disclosures, Individual Name Employee deferred compensation plan obligations Increase (Decrease) in Deferred Compensation Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Property, Plant and Equipment, Type [Domain] Long-Lived Asset, Class [Domain] Computer software Computer Software [Member] Computer Software [Member] Preferred stock, authorized (in shares) Preferred Stock, Shares Authorized Property, Plant, and Equipment [Table] Property, Plant, and Equipment [Table] Preferred stock, $0.001 par value; 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