Time-based restricted shares/units
Time Based Restriced Stock granted during or after September 1, 2018 [Member]
Time Based Restricted Stock granted during or after September 1, 2018
Classification of Corporate Investments on the Consolidated Balance Sheets
Schedule Of Corporate Investments Text Block [Table Text Block]
This element represents the carrying amounts of all corporate investments on the Consolidated Balance Sheets including cash and cash equivalents, short-term and long-term investments in certain debt and equity securities neither classified as trading or held-to-maturity securities. This element excludes same type of investments held as funds held for clients which is disclosed in a separate table.
Direct pass-through costs PEO revenues
Direct Pass Through Costs P E O Revenues
Direct pass-through costs associated with PEO, primarily consisting of payroll wages and payroll taxes.
Maturities of short-term funding agreements (up to)
Maturities Of Short Term Funding Agreements
Maturities Of Short-Term Funding Agreements
Adjustments to reconcile net earnings to cash flows provided by operating activities:
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Statistical Measurement [Domain]
Statistical Measurement [Domain]
Payments of debt
Repayments of Long-Term Debt
Gross unrealized losses
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax
Contract Liability
Change In Contract With Customer, Liability [Roll Forward]
Change In Contract With Customer, Liability [Roll Forward]
Schedule of Lease Cost
Lease, Cost [Table Text Block]
Schedule of Borrowings under Commercial Paper Program
Commercial Paper Program [Table Text Block]
Details of the borrowings under the commercial paper program
Cover [Abstract]
Performance period (in years)
Share Based Compensation Arrangement By Share Based Payment Award Performance Period
Share Based Compensation Arrangement By Share Based Payment Award Performance Period
Net change in cash, cash equivalents, restricted cash, and restricted cash equivalents
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect
Schedule of Lessee, Operating Lease, Liability, Maturity
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]
Net pension income
Increase (Decrease) in Obligation, Pension Benefits
Trading Symbol
Trading Symbol
Segment Reporting Information [Line Items]
Segment Reporting Information [Line Items]
Line of credit facility potentially available increase in maximum borrowing capacity
Line Of Credit Facility Potentially Available Increase In Maximum Borrowing Capacity
Line of credit facility potentially available increase in maximum borrowing capacity.
Funds held for clients
Total funds held for clients
Funds Held Clients
Represents assets that, based upon the Company's intent, are restricted for use solely for the purposes of satisfying the obligations to remit funds relating to the Company’s payroll and payroll tax filing services
All Trading Arrangements
All Trading Arrangements [Member]
Effect of Employee Restricted Stock Shares (in shares)
Effect of Employee Restricted stock Shares On Weighted Average Number of Diluted Shares Outstanding
Effect of Employee Restricted stock Shares On Weighted Average Number of Diluted Shares Outstanding
Compensation Actually Paid vs. Net Income
Compensation Actually Paid vs. Net Income [Text Block]
Carlos Rodriguez [Member]
Carlos Rodriguez
Non-NEOs
Non-NEOs [Member]
Schedule of Earnings per Share, Basic and Diluted
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Vesting term options granted
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period
Rule 10b5-1 Arrangement Adopted
Rule 10b5-1 Arrangement Adopted [Flag]
Dividends declared (in USD per share)
Common Stock, Dividends, Per Share, Declared
Awards Close in Time to MNPI Disclosures
Awards Close in Time to MNPI Disclosures [Table]
Notional amount of derivatives terminated
Derivative, Notional Amount, Terminated During The Period
Derivative, Notional Amount, Terminated During The Period
Account Classification [Axis]
Account Classification [Axis]
Account Classification [Axis]
Cash paid for income taxes, net of income tax refunds
Income Taxes Paid, Net
David Kwon [Member]
David Kwon
Dividends declared
Dividends, Cash
Allowance for doubtful accounts, current
Accounts Receivable, Allowance for Credit Loss, Current
Pay vs Performance Disclosure [Line Items]
Peer Group Total Shareholder Return Amount
Peer Group Total Shareholder Return Amount
Basis of Presentation
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
Non-Rule 10b5-1 Arrangement Adopted
Non-Rule 10b5-1 Arrangement Adopted [Flag]
Award Timing Disclosures [Line Items]
Other Performance Measure, Amount
Other Performance Measure, Amount
Twelve months ending June 30, 2028
Finite-Lived Intangible Asset, Expected Amortization, Year Three
Goodwill [Line Items]
Goodwill [Line Items]
Leases
Lessee, Operating Leases [Text Block]
Common stock, shares outstanding (in shares)
Common Stock, Shares, Outstanding
Operating lease cost
Operating Lease, Cost
Operating lease liabilities
Operating Lease, Liability, Noncurrent
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer [Abstract]
Short-term deferred revenues
Contract with Customer, Liability, Current
Service cost – benefits earned during the period
Defined Benefit Plan, Service Cost
Other assets
Other Assets, Noncurrent
Entity Tax Identification Number
Entity Tax Identification Number
Leases [Abstract]
Leases [Abstract]
Intangible assets, gross
Finite-Lived Intangible Assets, Gross
Schedule of Finite-Lived Intangible Assets by Major Class [Table]
Intangible Asset, Finite-Lived [Table]
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]
Accounting Standards Update and Change in Accounting Principle [Abstract]
Treasury stock acquired (in shares)
Treasury Stock, Shares, Acquired
Money market securities, cash and other cash equivalents
Money Market Funds [Member]
Operating Segments
Operating Segments [Member]
Selling, general and administrative expenses
Selling, General and Administrative Expenses [Member]
Net cash flows provided by operating activities
Net Cash Provided by (Used in) Operating Activities
Jonathan Lehberger [Member]
Jonathan Lehberger
Treasury Stock
Treasury Stock, Common [Member]
Cash Flows from Operating Activities:
Net Cash Provided by (Used in) Operating Activities [Abstract]
U.S. Treasury securities
US Treasury Securities [Member]
Equity Components [Axis]
Equity Components [Axis]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Global
Global [Member]
Global [Member]
Other current assets
Other Assets, Current
Award Timing Method
Award Timing Method [Text Block]
Net pension (income)/expense
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)
Performance Based Restricted Stock Units
Performance Based Restricted Stock Units [Member]
Performance Based Restricted Stock Units [Domain]
Trading Arrangements, by Individual
Trading Arrangements, by Individual [Table]
Fair market value
Debt securities, available-for-sale
Total available-for-sale securities
Debt Securities, Available-for-Sale
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Insider Trading Policies and Procedures [Line Items]
TOTAL EXPENSES
Costs and Expenses
Business Acquisition, Acquiree [Domain]
Business Acquisition, Acquiree [Domain]
Fixed-rate 1.700% notes due May 15, 2028
Notes Due On 2028 [Member]
Notes Due On 2028
Reclassification adjustments to net earnings
Reclassification from AOCI, Current Period, before Tax, Attributable to Parent
Corporate Investments
Corporate Investments [Member]
Corporate investments [Member]
Adjustment to Compensation, Amount
Adjustment to Compensation Amount
Capital in excess of par value
Additional Paid in Capital, Common Stock
Compensation Amount
Outstanding Recovery Compensation Amount
Performance Based Restricted Stock Unit
Performance Based Restricted Stock Unit [Member]
Performance Based Restricted Stock Unit
(Increase)/Decrease in accounts receivable
Increase (Decrease) in Accounts and Notes Receivable
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]
Entity Small Business
Entity Small Business
Company Selected Measure Amount
Company Selected Measure Amount
Tabular List, Table
Tabular List [Table Text Block]
Fair Value, Inputs, Level 3
Fair Value, Inputs, Level 3 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
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]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale [Line Items]
Accrued expenses and other current liabilities
Accrued Liabilities, Current
Options excluded from the calculation of diluted earnings per share (in shares)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Employee Benefit Plans
Compensation and Employee Benefit Plans [Text Block]
Total, Fair Market Value
Debt Securities, Available-for-Sale, Unrealized Loss Position
Cash, cash equivalents, restricted cash, and restricted cash equivalents, beginning of period
Cash, cash equivalents, restricted cash, and restricted cash equivalents, end of period
Total cash, cash equivalents, restricted cash, and restricted cash equivalents
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents
Net accretion of discounts and amortization of premiums on available-for-sale securities
Accretion (Amortization) of Discounts and Premiums, Investments
Current assets:
Assets, Current [Abstract]
Goodwill
Balance at June 30, 2024
Balance at September 30, 2024
Goodwill
Consolidation Items [Axis]
Consolidation Items [Axis]
Revenues, other than interest on funds held for clients and PEO revenues
Revenues, Other Than Interest on Funds Held For Clients and PEO Revenues [Member]
Revenues, Other Than Interest on Funds Held For Clients and PEO Revenues
364-day credit agreement
Three Hundred And Sixty Four Day Credit Facility [Member]
Three hundred and sixty four day credit facility [Member]
Treasury stock, shares (in shares)
Treasury Stock, Common, Shares
Purchase price of common stock as percentage of market value
Percentage of Market Value paid for Company Stock
Percentage of Market Value paid for Company Stock
Forgone Recovery due to Disqualification of Tax Benefits, Amount
Forgone Recovery due to Disqualification of Tax Benefits, Amount
Product and Service [Domain]
Product and Service [Domain]
Employee Stock Option
Share-Based Payment Arrangement, Option [Member]
Short-term lease cost
Short-Term Lease, Cost
Debt Securities, Available-for-sale [Table]
Debt Securities, Available-for-Sale [Table]
Goodwill [Roll Forward]
Goodwill [Roll Forward]
Short-term marketable securities
Marketable Securities, Current
Twelve months ending June 30, 2026
Lessee, Operating Lease, Liability, to be Paid, Year One
Comprehensive income
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Income taxes payable
Accrued Income Taxes, Current
Municipal Bonds
Municipal Bonds [Member]
Security Exchange Name
Security Exchange Name
Unrealized net (losses)/gains on available-for-sale securities
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax
Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Award Type and Plan Name [Axis]
Award Type [Axis]
Award Type [Axis]
Corporate bonds
Corporate Debt Securities [Member]
Currency translation adjustments
Goodwill, Foreign Currency Translation Gain (Loss)
Weighted Average Price, exercised (in dollars per share)
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Employer Services
Employer Services Segment [Member]
Employer Services Segment.
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Property, plant and equipment, net
Property, Plant and Equipment, Net
Total liabilities
Liabilities
Other comprehensive income/(losses):
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Common stock, par value (in USD per share)
Common Stock, Par or Stated Value Per Share
Forgone Recovery, Explanation of Impracticability
Forgone Recovery, Explanation of Impracticability [Text Block]
WorkForce Software
WorkForce Software [Member]
WorkForce Software
Summary of Debt Securities, Available-for-Sale
Debt Securities, Available-for-Sale [Table Text Block]
Net decrease in client funds obligations
Net decrease increase in client funds obligations
Net (decrease) increase in client funds obligations
Research and development
Research and Development Expense
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Expiration Date
Trading Arrangement Expiration Date
Cash Flows from Investing Activities:
Net Cash Provided by (Used in) Investing Activities [Abstract]
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Intangible Assets Disclosure [Abstract]
Current operating lease liability
Operating Lease, Liability, Current
Total Shareholder Return Amount
Total Shareholder Return Amount
Common stock, shares issued (in shares)
Common Stock, Shares, Issued
Equity Awards Adjustments, Footnote
Equity Awards Adjustments, Footnote [Text Block]
Maximum borrowing capacity under credit facilities
Line of Credit Facility, Maximum Borrowing Capacity
Total, Gross Unrealized Losses
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss
Insider Trading Policies and Procedures Adopted
Insider Trading Policies and Procedures Adopted [Flag]
Subsequent Event [Line Items]
Subsequent Event [Line Items]
Options exercised (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period
Unrealized loss on cash flow hedging activities
Unamortized loss on cash flow hedges
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Named Executive Officers, Footnote
Named Executive Officers, Footnote [Text Block]
Research and development
Research and Development Expense [Member]
Common stock, shares authorized (in shares)
Common Stock, Shares Authorized
Debt instrument, maturity period
Debt Instrument, Maturity Period
Debt Instrument, Maturity Period
Acquisitions of businesses, net of cash acquired
Payments to Acquire Businesses, Net of Cash Acquired
Basis of Presentation
Basis of Accounting, Policy [Policy Text Block]
Diluted weighted average shares outstanding (in shares)
Diluted, Weighted average shares (in shares)
Weighted Average Number of Shares Outstanding, Diluted
MNPI Disclosure Timed for Compensation Value
MNPI Disclosure Timed for Compensation Value [Flag]
Nine months ending June 30, 2025
Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Interest on funds held for clients
Interest on Funds Held for Clients [Member]
Interest on Funds Held for Clients
Long-Term Debt, Type [Axis]
Long-Term Debt, Type [Axis]
Total stockholders’ equity
Beginning balance
Ending balance
Equity, Attributable to Parent
Total corporate investments and funds held for clients - gross unrealized losses
Total Corporate Investments And Funds Held For Clients Gross Unrealized Losses
Total corporate investments and funds held for clients - gross unrealized losses
Credit Facility Expiring In June 2028
Credit Facility Expiring In June 2028 [Member]
Credit Facility Expiring In June 2028
Treasury stock - at cost: 231.0 and 230.6 shares at September 30, 2024 and June 30, 2024, respectively
Treasury Stock, Value
Derivative Instrument, Termination [Axis]
Derivative Instrument, Termination [Axis]
Derivative Instrument, Termination
One year or less
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One
Net amortization and deferral
Defined Benefit Plan, Amortization of Gain (Loss)
Schedule of Changes in Goodwill
Schedule of Goodwill [Table Text Block]
Amortization of unrealized losses on cash flow hedging activities
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax
Selling, general, and administrative expenses
Selling, General and Administrative Expense
Less: current portion
Debt, Current
Accounts receivable, net of allowance for doubtful accounts of $53.2 and $52.2, respectively
Accounts Receivable, after Allowance for Credit Loss, Current
Securities in Unrealized Loss Position Greater Than 12 Months, Fair Market Value
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer
Currency translation adjustments
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax
PEO Services
Professional Employee Organization Services Segment [Member]
Professional Employee Organization Services Segment [Member]
Tax effect
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax
Pension Adjustments Prior Service Cost
Pension Adjustments Prior Service Cost [Member]
Document Fiscal Period Focus
Document Fiscal Period Focus
All Executive Categories
All Executive Categories [Member]
John Ayala [Member]
John Ayala
Net Gains/Losses on Available-for-sale Securities
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]
Twelve months ending June 30, 2027
Finite-Lived Intangible Asset, Expected Amortization, Year Two
Changed Peer Group, Footnote
Changed Peer Group, Footnote [Text Block]
Assets
Assets [Abstract]
Other comprehensive (loss)/income, net of tax
Other comprehensive income
Other Comprehensive Income (Loss), Net of Tax
Document Type
Document Type
Debt instrument effective rate (in percent)
Debt Instrument, Interest Rate, Effective Percentage
Weighted Average Price (in dollars)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Weighted Average Price [Roll Forward]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Weighted Average Price [Roll Forward]
Commercial paper program
Commercial Paper [Member]
Pension Benefits Adjustments, Footnote
Pension Benefits Adjustments, Footnote [Text Block]
Net proceeds of commercial paper borrowings
Proceeds from (Repayments of) Commercial Paper
Schedule of Segment Reporting Information, by Segment
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Total Shareholder Return Vs Peer Group
Total Shareholder Return Vs Peer Group [Text Block]
Software and software licenses
Computer Software, Intangible Asset [Member]
Other Income and Expenses [Abstract]
Other Income and Expenses [Abstract]
Long-term receivables, net of allowance for doubtful accounts of $0.2 and $0.1, respectively
Accounts Receivable, after Allowance for Credit Loss, Noncurrent
Restricted shares/units vested (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period
Amortized Cost
Debt Securities, Available-for-Sale, Amortized Cost
Summary of Contract with Customer, Liability
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Maria Black [Member]
Maria Black
Subsequent Event [Table]
Subsequent Event [Table]
Maximum
Maximum [Member]
Amortization of intangible assets
Amortization of Intangible Assets
Contract liability, July 1, 2024
Contract liability, September 30, 2024
Contract with Customer, Liability
Equity Valuation Assumption Difference, Footnote
Equity Valuation Assumption Difference, Footnote [Text Block]
Accounts payable
Accounts Payable, Current
REVENUES:
Revenues [Abstract]
Summary of Performance Based Restricted shares and units
Performance Based Restricted shares and units [Table Text Block]
Disclosure of the number for Performance-Based restricted stock and Performance based restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.
Current Fiscal Year End Date
Current Fiscal Year End Date
Less: Imputed interest
Lessee, Operating Lease, Liability, Undiscounted Excess Amount
Total operating lease cost
Lease, Cost
Statistical Measurement [Axis]
Statistical Measurement [Axis]
PEO Name
PEO Name
Non-Rule 10b5-1 Arrangement Terminated
Non-Rule 10b5-1 Arrangement Terminated [Flag]
Non-PEO NEO Average Total Compensation Amount
Non-PEO NEO Average Total Compensation Amount
Share-based Compensation Arrangements by Share-based Payment Award, Award Type and Plan Name [Domain]
Award Type [Domain]
Award Type [Domain]
Name
Outstanding Recovery, Individual Name
Tax effect
Other Comprehensive Income (Loss) before Reclassifications, Tax
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Line Items]
Variable lease cost
Variable Lease, Cost
Compensation Actually Paid vs. Company Selected Measure
Compensation Actually Paid vs. Company Selected Measure [Text Block]
After four years
Available For Sale Securities Debt Maturities Due After Four Fair Value
This item represents the fair value of debt securities which are expected to mature after four years of the balance sheet date and which are categorized neither as held-to-maturity nor trading securities.
Non-PEO NEO
Non-PEO NEO [Member]
Weighted average remaining useful life
Finite-Lived Intangible Asset, Useful Life
Capital in Excess of Par Value
Additional Paid-in Capital [Member]
Award Timing Predetermined
Award Timing Predetermined [Flag]
Increase in deferred contract costs
Increase (Decrease) in Contract with Customer, Asset
Subsequent Event Type [Domain]
Subsequent Event Type [Domain]
Notes payable
Notes Payable
Class of Stock [Line Items]
Class of Stock [Line Items]
Short-term Debt [Line Items]
Short-Term Debt [Line Items]
New Accounting Pronouncements
New Accounting Pronouncements, Policy [Policy Text Block]
DILUTED EARNINGS PER SHARE (in USD per share)
Diluted, EPS (in USD per share)
Earnings Per Share, Diluted
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Intangible assets, accumulated amortization
Finite-Lived Intangible Assets, Accumulated Amortization
Name
Measure Name
Entity Interactive Data Current
Entity Interactive Data Current
Deferred income taxes
Deferred Income Tax Expense (Benefit), Net Of Disposals
Deferred Income Tax Expense (Benefit), Net Of Disposals
Restatement does not require Recovery
Restatement Does Not Require Recovery [Text Block]
Net cash distributed from the Internal Revenue Service
Income Tax Paid, Federal, after Refund Received
Retirement Benefits [Abstract]
Retirement Benefits [Abstract]
Currency translation adjustments
Contract With Customer, Liability, Increase (Decrease) From Foreign Currency Translation
Contract With Customer, Liability, Increase (Decrease) From Foreign Currency Translation
Preferred stock, shares issued (in shares)
Preferred Stock, Shares Issued
Disaggregation of Revenue [Table]
Disaggregation of Revenue [Table]
Statement of Financial Position [Abstract]
Statement of Financial Position [Abstract]
Number of strategic pillars
Number Of Strategic Pillars
Number Of Strategic Pillars
Asset-backed securities
Asset-Backed Securities [Member]
Stock-based compensation expense
Share-Based Payment Arrangement, Noncash Expense
Pension Liability
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Proceeds from sale of property, plant, and equipment and other assets
Proceeds from Sale of Property, Plant, and Equipment
Reverse repurchase agreements
Reverse Repurchase Agreements [Member]
Reverse Repurchase Agreements [Member]
Provision for income taxes
Income Tax Expense (Benefit)
Interest cost on projected benefits
Defined Benefit Plan, Interest Cost
Stated interest rate
Debt Instrument, Interest Rate, Stated Percentage
Other
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]
Options forfeited/cancelled (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period
Supplemental disclosures of cash flow information:
Supplemental Cash Flow Information [Abstract]
Operating expenses
Operating Expense [Member]
TOTAL REVENUES
Revenues
Revenues
Revenue from Contract with Customer, Excluding Assessed Tax
Additions to intangibles
Payments to Acquire Intangible Assets
Other (income)/expense, net
Other (income)/expense, net
Nonoperating Income (Expense)
Statement of Comprehensive Income [Abstract]
Statement of Comprehensive Income [Abstract]
Debt Security, Corporate, Non-US
Debt Security, Corporate, Non-US [Member]
Effective income tax rate
Effective Income Tax Rate Reconciliation, Percent
Settlement of cash flow hedges
Payments for Hedge, Financing Activities
Net cash flows used in investing activities
Net Cash Provided by (Used in) Investing Activities
Interest expense
Interest Expense, Operating and Nonoperating
Canadian provincial bonds
Canadian Provincial Bonds [Member]
Canadian Provincial Bonds [Member]
Federal Home Loan Banks
Federal Home Loan Bank Certificates and Obligations (FHLB) [Member]
Client funds obligations
Client funds obligations
Represent the Company's contractual obligations to remit funds to satisfy clients' payroll and tax payment obligations and are recorded on the Balance Sheet at the time that the Company impounds funds from clients.
Number of reportable segments
Number of Reportable Segments
Total liabilities and stockholders’ equity
Liabilities and Equity
Subsequent Events
Subsequent Events [Text Block]
Rule 10b5-1 Arrangement Terminated
Rule 10b5-1 Arrangement Terminated [Flag]
All Adjustments to Compensation
All Adjustments to Compensation [Member]
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV [Axis]
Accrued payroll and payroll-related expenses
Employee-related Liabilities, Current
PEO Revenues
PEO Revenues [Member]
PEO Revenues
Long-term marketable securities
Marketable Securities, Noncurrent
Schedule of Other (Income)/Expense, Net
Schedule of Other Nonoperating Income (Expense) [Table Text Block]
Thereafter
Lessee, Operating Lease, Liability, to be Paid, after Year Four
Lessee, Operating Lease, Liability, to be Paid, after Year Four
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies Disclosure [Abstract]
Interest income on corporate funds
Investment Income, Interest
Dividends paid
Payments of Dividends
Performance payout percentage
Share-Based Compensation Arrangement By Share-Based Payment Award, Performance Payout, Percentage
Share-Based Compensation Arrangement By Share-Based Payment Award, Performance Payout, Percentage
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Schedule of Reverse Repurchase Agreements
Reverse Repurchase Agreement [Table Text Block]
Details of the reverse repurchase agreement
Operating lease ROU assets obtained in exchange for new operating lease liabilities
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability
Asset-Backed Equipment Lease Receivable
Asset-Backed Equipment Lease Receivable [Member]
Asset-Backed Equipment Lease Receivable [Member]
Underlying Security Market Price Change
Underlying Security Market Price Change, Percent
Expected return on plan assets
Defined Benefit Plan, Expected Return (Loss) on Plan Assets
Individual:
Individual [Axis]
AOCI
Accumulated Other Comprehensive (Loss) /Income
AOCI Attributable to Parent [Member]
Cash Flow Hedging Activities
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
U.S. government agency securities
U.S. government agency securities
US Government Agencies Debt Securities [Member]
Long-Term Debt, Type [Domain]
Long-Term Debt, Type [Domain]
Product and Service [Axis]
Product and Service [Axis]
Entity Address, State or Province
Entity Address, State or Province
Statement [Line Items]
Statement [Line Items]
Non-service components of pension income, net
Net Periodic Defined Benefits Expense (Reversal of Expense), Excluding Service Cost Component
Erroneous Compensation Analysis
Erroneous Compensation Analysis [Text Block]
Schedule of Components of Stockholders' Equity
Schedule of Stockholders Equity [Table Text Block]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Disclosure [Line Items]
Derivative Instrument, Termination Two
Derivative Instrument, Termination Two [Member]
Derivative Instrument, Termination Two
Compensation Actually Paid vs. Total Shareholder Return
Compensation Actually Paid vs. Total Shareholder Return [Text Block]
Financial Instruments [Domain]
Financial Instruments [Domain]
Cash and cash equivalents under reverse repurchase agreements
Cash And Cash Equivalents Under Reverse Repurchase Agreements
Cash And Cash Equivalents Under Reverse Repurchase Agreements
Short-term Financing
Short-Term Debt [Text Block]
Liabilities and Stockholders' Equity
Liabilities and Equity [Abstract]
Summary of Net Benefit Costs
Schedule of Net Benefit Costs [Table Text Block]
Less: unamortized discount and debt issuance costs
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net
Minimum
Minimum [Member]
Restatement Determination Date
Restatement Determination Date
Adoption Date
Trading Arrangement Adoption Date
Pay vs Performance Disclosure
Pay vs Performance Disclosure [Table]
Long-term deferred revenues
Contract with Customer, Liability, Noncurrent
Tax effect
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Tax
Weighted Average Price, beginning of period (in dollars per share)
Weighted Average Price, end of period (in dollars per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Operating lease right-of-use asset
Operating Lease, Right-of-Use Asset
Erroneously Awarded Compensation Recovery
Erroneously Awarded Compensation Recovery [Table]
Number of fixed rate notes issued
Number Of Fixed Rate Notes Issued
Number Of Fixed Rate Notes Issued
Options outstanding at beginning of period (in shares)
Options outstanding at end of period (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number
Bad Debt Expense
Accounts Receivable, Credit Loss Expense (Reversal)
Segments [Axis]
Segment Reporting Information, by Segment [Axis]
Segments [Axis]
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]
Summary of Components of Stock-Based Compensation Expense
Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block]
Net proceeds from stock purchase plan and stock-based compensation plans
Net Proceeds From Stock Purchase Plan And Stock Based Compensation Plans
Proceeds from stock plans, stock options exercises, and payments related to tax withholding for share-based compensation.
Exercise Price
Award Exercise Price
Earnings per Share (“EPS”)
Earnings Per Share [Text Block]
Arrangement Duration
Trading Arrangement Duration
Derivative Instrument, Termination [Domain]
Derivative Instrument, Termination [Domain]
Derivative Instrument, Termination [Domain]
Subsequent Event
Subsequent Event [Member]
Short-term marketable securities under reverse repurchase agreements
Short-term Marketable Securities Under Reverse Repurchase Agreements
Short-term Marketable Securities Under Reverse Repurchase Agreements
EXPENSES:
Costs and Expenses [Abstract]
Goodwill and Intangible Assets, net
Goodwill and Intangible Assets Disclosure [Text Block]
Contract liability, net of revenue recognized on contracts during the period
Contract With Customer, Liability, Deferral Net Of Revenue Recognized And Foreign Currency Translation
Amount of revenue deferred as an obligation to transfer good or service to customer for which consideration from customer has been received or is due, net of the amount of revenue recognized in the period from deferrals during the period.
Stockholders' equity:
Equity, Attributable to Parent [Abstract]
Securities in Unrealized Loss Position Less Than 12 Months, Fair Market Value
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months
Total corporate investments
Investments
Peer Group Issuers, Footnote
Peer Group Issuers, Footnote [Text Block]
Other securities
Other
Other Debt Obligations [Member]
Reporting Segment [Domain]
Segments [Domain]
Material Terms of Trading Arrangement
Material Terms of Trading Arrangement [Text Block]
Debt instrument, term
Debt Instrument, Term
Increase/(Decrease) in accounts payable
Increase (Decrease) in Accounts Payable, Trade
Twelve months ending June 30, 2029
Finite-Lived Intangible Asset, Expected Amortization, Year Four
All Individuals
All Individuals [Member]
Fixed-rate 4.450% notes due September 9, 2034
Notes Due In 2034 [Member]
Notes Due In 2034
PEO
PEO [Member]
Income Tax Disclosure [Abstract]
Income Tax Disclosure [Abstract]
Name
Trading Arrangement, Individual Name
Intangible assets, net
Intangible assets, net
Intangible Assets, Net (Excluding Goodwill)
Term of credit
Line Of Credit Facility Term Of Credit
Line Of Credit Facility Term Of Credit
Tax effect
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax
Christopher D’Ambrosio [Member]
Christopher D’Ambrosio
Gross unrealized gains
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax
Total corporate investments and funds held for clients - gross unrealized gains
Total Corporate Investments And Funds Held For Clients Gross Unrealized Gains
Total corporate investments and funds held for clients - gross unrealized gains
Operating expenses
Operating Costs and Expenses
Awards Close in Time to MNPI Disclosures, Table
Awards Close in Time to MNPI Disclosures [Table Text Block]
Other
Other Operating Segment [Member]
Dividends payable
Dividends Payable
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table]
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]
Long-term marketable securities under reverse repurchase agreements
Long-term Marketable Securities Under Reverse Repurchase Agreements
Long-term Marketable Securities Under Reverse Repurchase Agreements
Money market securities and other cash equivalents - fair market value
Cash and Cash Equivalents, Fair Value Disclosure
Aggregate Erroneous Compensation Amount
Aggregate Erroneous Compensation Amount
Depreciation and amortization
Cost, Depreciation and Amortization
Local Phone Number
Local Phone Number
Aggregate Erroneous Compensation Not Yet Determined
Aggregate Erroneous Compensation Not Yet Determined [Text Block]
Deferred income taxes
Deferred Income Tax Liabilities, Net
Time Based Restricted Stock
Time Based Restricted Stock [Member]
Time Based Restricted Stock
HCM
HCM [Member]
HCM [Member]
Asset-Backed Auto Loan Receivables
Asset Backed Auto Loan Receivables [Member]
Securities collateralized by physical property
Schedule of Expected Maturities of Available-for-Sale Securities
Schedule Of Expected Maturities Of Available For Sale Securities [Table Text Block]
This element represents the expected maturities broken out by maturity date of all investments categorized as available-for-sale
Increase in other assets
Increase (Decrease) in Other Operating Assets
Changes in operating assets and liabilities:
Increase (Decrease) in Operating Capital [Abstract]
Total corporate investments and funds held for clients - amortized cost
Total Corporate Investments And Funds Held For Clients Amortized Cost
Total corporate investments and funds held for clients - amortized cost
PEO Total Compensation Amount
PEO Total Compensation Amount
Non-current
Non-current [Member]
Non-current [Member]
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs, by Report Line [Axis]
Statement of Income Location, Balance [Axis]
Funds Held For Clients
Funds Held For Clients [Member]
Funds held for clients [Member]
Proceeds from the sales and maturities of corporate and client funds marketable securities
Proceeds from Sale and Maturity of Debt Securities, Available-for-Sale
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Debt Disclosure [Abstract]
Debt Disclosure [Abstract]
Common Stock
Common Stock [Member]
Measure:
Measure [Axis]
One year to two years
Available For Sale Securities Debt Maturities Due After One Year Up To Two Fair Value
This item represents the fair value of debt securities which are expected to mature after one year up to two years after the balance sheet date and which are categorized neither as held-to-maturity nor trading securities.
Issuances relating to stock compensation plans
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture
Preferred stock, shares authorized (in shares)
Preferred Stock, Shares Authorized
Forgone Recovery due to Expense of Enforcement, Amount
Forgone Recovery due to Expense of Enforcement, Amount
Options granted (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Net of Forfeitures
Entity Emerging Growth Company
Entity Emerging Growth Company
Derivative Instrument, Termination One
Derivative Instrument, Termination One [Member]
Derivative Instrument, Termination One
Segment Reporting [Abstract]
Segment Reporting [Abstract]
Entity Central Index Key
Entity Central Index Key
Performance Based Restricted Stock
Performance Based Restricted Stock [Member]
Performance Based Restricted Stock
Non-GAAP Measure Description
Non-GAAP Measure Description [Text Block]
Currency Translation Adjustment
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Non-PEO NEO Average Compensation Actually Paid Amount
Non-PEO NEO Average Compensation Actually Paid Amount
Stockholders' Equity
Equity [Text Block]
Award Timing, How MNPI Considered
Award Timing, How MNPI Considered [Text Block]
Equity Component [Domain]
Equity Component [Domain]
Preferred stock, par value (in USD per share)
Preferred Stock, Par or Stated Value Per Share
Financial Instrument [Axis]
Financial Instrument [Axis]
Interim Financial Data by Segment
Segment Reporting Disclosure [Text Block]
Client funds held in grantor trust
Client Funds Held In Grantor Trust
Client Funds Held In Grantor Trust
Reconciliation of cash, cash equivalents, restricted cash, and restricted cash equivalents to the Consolidated Balance Sheets
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents [Abstract]
Additional 402(v) Disclosure
Additional 402(v) Disclosure [Text Block]
Federal Farm Credit Banks
Federal Farm Credit Banks [Member]
Federal Farm Credit Banks [Member]
Stock-based compensation expense
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition
New Accounting Pronouncements
Accounting Standards Update and Change in Accounting Principle [Text Block]
Entity Shell Company
Entity Shell Company
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
Summary of Time Based Restricted Shares and Units
Time Based Restricted Shares And Units [Table Text Block]
Time Based Restricted Shares And Units
Deferred contract costs
Capitalized Contract Cost, Net
Title
Trading Arrangement, Individual Title
Statement [Table]
Statement [Table]
Restricted short-term and long term marketable securities held to satisfy client funds obligations
Debt Securities, Available-for-Sale, Restricted
Credit Facility Expiring In June 2029
Credit Facility Expiring In June 2029 [Member]
Credit Facility Expiring In June 2029
Consolidation Items [Domain]
Consolidation Items [Domain]
City Area Code
City Area Code
Current liabilities:
Liabilities, Current [Abstract]
Cash paid for interest
Interest Paid, Excluding Capitalized Interest, Operating Activities
Insider Trading Policies and Procedures Not Adopted
Insider Trading Policies and Procedures Not Adopted [Text Block]
Fair Value, Inputs, Level 1
Fair Value, Inputs, Level 1 [Member]
Gain on sale of assets
Gain (Loss) on Disposition of Assets
Total current assets
Assets, Current
Statement of Cash Flows [Abstract]
Statement of Cash Flows [Abstract]
Senior Notes
Senior Notes [Member]
Total corporate investments and funds held for clients - fair market value
Total Corporate Investments And Funds Held For Clients Fair Value
Total corporate investments and funds held for clients - fair value
Decrease in accrued expenses and other liabilities
Increase (Decrease) in Accrued Liabilities
Repurchases of common stock
Payments for Repurchase of Common Stock
Schedule of Long-term Debt Instruments [Table]
Schedule of Long-Term Debt Instruments [Table]
Total current assets before funds held for clients
Total Assets Before Funds Held Clients
Total assets before funds held for clients
Long-term debt
Long-Term Debt, Excluding Current Maturities
Reclassification of realized net losses on available-for-sale securities to net earnings
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax
Schedule of Segment Reporting Information, by Segment [Table]
Schedule of Segment Reporting Information, by Segment [Table]
Short-term debt
Other Short-Term Borrowings
Accumulated Other Comprehensive Income (Loss) [Table]
Accumulated Other Comprehensive Income (Loss) [Table]
Subsequent Event Type [Axis]
Subsequent Event Type [Axis]
Other intangibles
Other Intangible Assets [Member]
Interest on funds held for clients
client fund interest [Member]
client fund interest [Member]
Income Taxes
Income Tax Disclosure [Text Block]
Twelve months ending June 30, 2029
Lessee, Operating Lease, Liability, to be Paid, Year Four
Earnings Per Share [Abstract]
Earnings Per Share [Abstract]
Equity [Abstract]
Retained earnings
Retained Earnings (Accumulated Deficit)
Schedule of Reclassification out of Accumulated Other Comprehensive Income
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]
Weighted Average Price, forfeited/cancelled (in dollar per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price
Schedule of Long Term Debt
Schedule of Debt [Table Text Block]
Canadian government obligations and Canadian government agency obligations
Debt Security, Government, Non-US [Member]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Aggregate Available
Trading Arrangement, Securities Aggregate Available Amount
Equity Awards Adjustments
Equity Awards Adjustments [Member]
Weighted-average discount rate
Operating Lease, Weighted Average Discount Rate, Percent
Net lease obligations
Operating Lease, Liability
Net cash flows used in financing activities
Net Cash Provided by (Used in) Financing Activities
Underlying Securities
Award Underlying Securities Amount
Corporate Investments and Funds Held for Clients
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]
Weighted average maturity (approximately in days)
Commercial Paper Weight Average Maturity
Reflects the calculated weighted average maturity of the Company's commercial paper
Amendment Flag
Amendment Flag
Fair value of notes issued
Long-Term Debt, Fair Value
Schedule of Investment of Funds Held for Clients
Schedule Of Investment Of Funds Held For Clients [Table Text Block]
This element represents the carrying amounts of all investments of funds held for clients on the Consolidated Balance Sheets including cash and cash equivalents, short-term and long-term investments in certain debt and equity securities neither classified as trading or held-to-maturity securities.
Obligations under commercial paper borrowing
Commercial paper
Commercial Paper
Entity Registrant Name
Entity Registrant Name
Cash consideration to acquire business
Payments to Acquire Businesses, Gross
Commercial mortgage-backed securities
Commercial Mortgage-Backed Securities [Member]
Adjustment to Non-PEO NEO Compensation Footnote
Adjustment to Non-PEO NEO Compensation Footnote [Text Block]
Stock Appreciation Rights (SARs)
Stock Appreciation Rights (SARs) [Member]
Depreciation and amortization
Depreciation, Depletion and Amortization
Effect of Employee Stock Option Shares (in shares)
Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants
Fair Value as of Grant Date
Award Grant Date Fair Value
Subsequent Events [Abstract]
Other (Income)/Expense, Net
Other Income and Other Expense Disclosure [Text Block]
Debt
Debt Disclosure [Text Block]
Sreeni Kutam [Member]
Sreeni Kutam
Fair Value Hierarchy and NAV [Domain]
Fair Value Hierarchy and NAV [Domain]
Amortization of deferred contract costs
Capitalized Contract Cost, Amortization
Recovery of Erroneously Awarded Compensation Disclosure [Line Items]
Debt face amount
Debt Instrument, Face Amount
Summary of Disaggregation of Revenue
Disaggregation of Revenue [Table Text Block]
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
Restatement Determination Date:
Restatement Determination Date [Axis]
Title of 12(b) Security
Title of 12(b) Security
Common stock, $0.10 par value: authorized, 1,000.0 shares; issued, 638.7 shares at September 30, 2024 and June 30, 2024; outstanding, 407.7 and 408.1 shares at September 30, 2024 and June 30, 2024, respectively
Common Stock, Value, Issued
Weighted average interest rates
Debt Instrument, Interest Rate During Period
PEO zero-margin benefits pass-throughs
PEO Zero-Margin Benefits Pass-Throughs [Member]
PEO Zero-Margin Benefits Pass-Throughs
Cash and cash equivalents
Money market securities, cash and other cash equivalents - amortized cost
Cash and Cash Equivalents, at Carrying Value
Other
Payments for (Proceeds from) Other Investing Activities
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]
Net proceeds related to reverse repurchase agreements
Net (Repayments Of)/Proceeds From Reverse Repurchase Agreements
Net (Repayments Of)/Proceeds From Reverse Repurchase Agreements
Tax effect
Reclassification from AOCI, Current Period, Tax
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets [Line Items]
Cash Flows from Financing Activities:
Net Cash Provided by (Used in) Financing Activities [Abstract]
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]
Supranational Bonds
Supranational Bonds [Member]
Supranational Bonds
Preferred stock, $1.00 par value: authorized, 0.3 shares; issued, none
Preferred Stock, Value, Issued
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]
Number of Options (in thousands)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]
Cash and Cash Equivalents [Domain]
Cash and Cash Equivalents [Domain]
Time Based restricted Stock Units
Time Based Restricted Stock Units [Member]
Time Based Restricted Stock Units
Employee Stock
Employee Stock [Member]
Average outstanding balances (in billions)
Short-Term Debt, Average Outstanding Amount
Line of credit facility, fair value of amount outstanding
Line of Credit Facility, Fair Value of Amount Outstanding
BASIC EARNINGS PER SHARE (in USD per share)
Basic, EPS (in USD per share)
Earnings Per Share, Basic
Schedule of Short-term Debt [Table]
Short-Term Debt [Table]
Capital expenditures
Payments to Acquire Other Property, Plant, and Equipment
Extension option term
Debt Instrument, Extension Option Term
Debt Instrument, Extension Option Term
Cash paid for operating lease liabilities
Operating Lease, Payments
Total current liabilities before client funds obligations
Total current liabilities before client funds obligations
Total current liabilities before client funds obligations
Adjustment To PEO Compensation, Footnote
Adjustment To PEO Compensation, Footnote [Text Block]
Award Timing MNPI Disclosure
Award Timing MNPI Disclosure [Text Block]
Current
Current [Member]
Current [Member]
Aggregate Pension Adjustments Service Cost
Aggregate Pension Adjustments Service Cost [Member]
Goodwill [Table]
Goodwill [Table]
Obligations under reverse repurchase agreements
Obligations Under Reverse Repurchase Agreements
Obligations Under Reverse Repurchase Agreements
Compensation Actually Paid vs. Other Measure
Compensation Actually Paid vs. Other Measure [Text Block]
Summary of Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value
Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block]
Stock, Class of Stock [Table]
Stock, Class of Stock [Table]
Total current liabilities
Liabilities, Current
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]
Total assets
Assets
Twelve months ending June 30, 2026
Finite-Lived Intangible Asset, Expected Amortization, Year One
TOTAL COSTS OF REVENUES
Cost of Goods and Services Sold
Restricted shares/units granted (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period
Schedule of Components of Finite-Lived Intangible Assets
Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block]
Tax effect
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax
Other liabilities
Other Liabilities, Noncurrent
Forgone Recovery due to Violation of Home Country Law, Amount
Forgone Recovery due to Violation of Home Country Law, Amount
Commitments and contingencies (Note 13)
Commitments and Contingencies
Aggregate committed obligations under reverse repurchase agreements
Debt Instrument, Aggregate Committed Obligations Under Reverse Repurchase Agreements
Debt Instrument, Aggregate Committed Obligations Under Reverse Repurchase Agreements
Termination Date
Trading Arrangement Termination Date
Twelve months ending June 30, 2027
Lessee, Operating Lease, Liability, to be Paid, Year Two
Entity Address, City or Town
Entity Address, City or Town
Proceeds from the issuance of debt
Proceeds from Issuance of Long-Term Debt
Debt Instrument [Axis]
Debt Instrument [Axis]
Summary of Changes in Stock Options Outstanding
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
Don McGuire [Member]
Don McGuire
Total pretax stock-based compensation expense
Share-Based Payment Arrangement, Expense
NET EARNINGS
Net earnings
Net Income (Loss) Attributable to Parent
Net Income (Loss) Attributable to Parent
Trading Arrangement:
Trading Arrangement [Axis]
Investments, Debt and Equity Securities [Abstract]
Weighted Average Price, granted (in dollars per share)
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Pay vs Performance Disclosure, Table
Pay vs Performance [Table Text Block]
Restricted shares/units forfeited (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Business Acquisition [Axis]
Business Acquisition [Axis]
Fixed Rate Credit Card
Fixed Rate Credit Card [Member]
Fixed Rate Credit Card [Member]
Equity Awards Adjustments, Excluding Value Reported in Compensation Table
Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member]
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]
Entity File Number
Entity File Number
Cash and Cash Equivalents [Axis]
Cash and Cash Equivalents [Axis]
Revenue
Revenue from Contract with Customer [Text Block]
Document Fiscal Year Focus
Document Fiscal Year Focus
Income Statement [Abstract]
Income Statement [Abstract]
Entity Address, Address Line One
Entity Address, Address Line One
Other comprehensive income/(loss) before reclassification adjustments
OCI, before Reclassifications, before Tax, Attributable to Parent
Treasury stock acquired
Treasury Stock, Value, Acquired, Cost Method
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
Effect of exchange rate changes on cash, cash equivalents, restricted cash, and restricted cash equivalents
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations
Remaining lease term
Lessee, Operating Lease, Term of Contract
Michael Bonarti [Member]
Michael Bonarti
Name
Forgone Recovery, Individual Name
Nine months ending June 30, 2025
Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year
Weighted-average remaining lease term (in years)
Operating Lease, Weighted Average Remaining Lease Term
Twelve months ending June 30, 2030
Finite-Lived Intangible Asset, Expected Amortization, Year Five
Document Period End Date
Document Period End Date
Other
Other Noncash Income (Expense)
Award Timing MNPI Considered
Award Timing MNPI Considered [Flag]
Total undiscounted lease obligations
Lessee, Operating Lease, Liability, to be Paid
Restricted shares/units outstanding, beginning balance (in shares)
Restricted shares/units outstanding, ending balance (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Insider Trading Arrangements [Line Items]
PEO Services
Peo Services Segment [Member]
PEO Services Segment.
Client fund obligation repayment period
Client Fund Obligation repayment period
Period of time from the Balance Sheet Date that client fund obligations has to be repaid
Two years to three years
Available For Sale Securities Debt Maturities Due After Two Year Up To Three Fair Value
This item represents the fair value of debt securities which are expected to mature after two years up to three years of the balance sheet date and which are categorized neither as held-to-maturity nor trading securities.
Outstanding Aggregate Erroneous Compensation Amount
Outstanding Aggregate Erroneous Compensation Amount
Twelve months ending June 30, 2028
Lessee, Operating Lease, Liability, to be Paid, Year Three
PEO Actually Paid Compensation Amount
PEO Actually Paid Compensation Amount
Reclassification of pension liability adjustment to net earnings
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, before Tax
Three years to four years
Available For Sale Securities Debt Maturities Due After Three Year Up To Four Fair Value
This item represents the fair value of debt securities which are expected to mature after three years up to four years of the balance sheet date and which are categorized neither as held-to-maturity nor trading securities.
Recognition of revenue included in beginning of year contract liability
Contract with Customer, Liability, Revenue Recognized
Adjustment to Compensation:
Adjustment to Compensation [Axis]
Document Transition Report
Document Transition Report
Document Quarterly Report
Document Quarterly Report
Customer contracts and lists
Customer Lists [Member]
Client funds investments with original maturities
Client Funds Investments Original Maturity Period
Client funds investments, maturity period.
Accumulated other comprehensive (loss)/ income
Accumulated Other Comprehensive Income (Loss), Net of Tax
Entity Current Reporting Status
Entity Current Reporting Status
Retained Earnings
Retained Earnings [Member]
Account Classification [Domain]
Account Classification [Domain]
[Domain] for Account Classification [Axis]
Restricted cash and restricted cash equivalents included in funds held for clients
Restricted cash and cash equivalents held to satisfy client funds obligations
Restricted Cash and Cash Equivalents
Pension Adjustments Service Cost
Pension Adjustments Service Cost [Member]
Fixed-rate 1.250% notes due September 1, 2030
Notes Due On 2030 [Member]
Notes Due On 2030
Joseph DeSilva [Member]
Joseph DeSilva
Basic weighted average shares outstanding (in shares)
Basic, Weighted average shares (in shares)
Weighted Average Number of Shares Outstanding, Basic
Stock Price or TSR Estimation Method
Stock Price or TSR Estimation Method [Text Block]
Tax effect
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax
Allowance for doubtful accounts, long-term
Accounts Receivable, Allowance for Credit Loss, Noncurrent
Fixed-rate 3.375% notes due September 15, 2025
Notes Due On 2025 [Member]
Notes due on 2025 [Member]
Securities in Unrealized Loss Position Greater Than 12 Months, Gross Unrealized Losses
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss
Reclassifications out of Accumulated Other Comprehensive Income (“AOCI”)
Disclosure of Reclassification Amount [Text Block]
HRO, excluding PEO zero-margin benefits pass-throughs
HRO [Member]
HRO [Member]
Realized losses on available-for-sale securities, net
Debt Securities, Available-for-Sale, Realized Gain (Loss)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Executive Category:
Executive Category [Axis]
Name
Awards Close in Time to MNPI Disclosures, Individual Name
Securities in Unrealized Loss Position Less Than 12 Months, Gross Unrealized Losses
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss
Entity Filer Category
Entity Filer Category
Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Report Line [Domain]
Statement of Income Location, Balance [Domain]
Costs of revenues:
Cost of Revenue [Abstract]
Company Selected Measure Name
Company Selected Measure Name