Statement of Financial Position [Abstract] ASSETS Assets [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents - restricted Restricted Cash and Cash Equivalents, Current Receivables, less allowance for doubtful accounts of $45,254, $44,033 and $67,228 Accounts Receivable, after Allowance for Credit Loss, Current Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Total current assets Assets, Current Property and equipment, at cost, less accumulated depreciation and amortization of $803,272, $800,834 and $745,761 Property, Plant and Equipment, Net Operating lease right of use asset Operating Lease, Right-of-Use Asset Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Goodwill Goodwill Deferred tax assets and income taxes receivable Deferred Tax Assets, Net Other noncurrent assets Other Assets, Noncurrent Total assets Assets LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Equity [Abstract] LIABILITIES: Liabilities [Abstract] Accounts payable and accrued expenses Accounts Payable and Accrued Liabilities, Current Accrued salaries, wages and payroll taxes Employee-related Liabilities, Current Accrued income taxes and reserves for uncertain tax positions Accrued Income Taxes, Current Current portion of long-term debt Long-term Debt, Current Maturities Operating lease liabilities Operating Lease, Liability, Current Deferred revenue and other current liabilities Other Liabilities, Current Total current liabilities Liabilities, Current Long-term debt and line of credit borrowings Long-term Debt, Excluding Current Maturities Deferred tax liabilities and reserves for uncertain tax positions Liability for Uncertainty in Income Taxes, Noncurrent Operating lease liabilities Operating Lease, Liability, Noncurrent Deferred revenue and other noncurrent liabilities Other Liabilities, Noncurrent Total liabilities Liabilities COMMITMENTS AND CONTINGENCIES Commitments and Contingencies STOCKHOLDERS' EQUITY: Stockholders' Equity Attributable to Parent [Abstract] Common stock, no par, stated value $.01 per share, 800,000,000 shares authorized, shares issued of 228,206,684, 241,501,278 and 238,336,760 Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital, Common Stock Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Retained earnings (deficit) Retained Earnings (Accumulated Deficit) Less treasury shares, at cost, of 35,732,666, 36,460,305 and 36,377,441 Treasury Stock, Value Total stockholders' equity (deficiency) Stockholders' Equity Attributable to Parent Total liabilities and stockholders' equity Liabilities and Equity Accounting Policies [Abstract] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Management Estimates Use of Estimates, Policy [Policy Text Block] Seasonality of Business Nature of Operations [Text Block] Discontinued Operations Interest Expense Allocated to Discontinued Operations, Policy [Policy Text Block] New Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Revenue from Contract with Customer [Abstract] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Product and Service [Axis] Product and Service [Axis] Product and Service [Domain] Product and Service [Domain] POM Peace of Mind Revenues [Member] Peace of Mind Revenues [Member] TIS Tax Identity Shield [Member] Tax Identity Shield [Member] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Deferred revenue Contract with Customer, Liability Current deferred revenue Contract with Customer, Liability, Current Condensed Financial Information Disclosure [Abstract] Schedule of Condensed Financial Statements [Table] Condensed Financial Statements [Table] Consolidated Entities [Axis] Consolidated Entities [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] H&R Block, Inc. (Guarantor) Parent Company [Member] Block Financial (Issuer) Subsidiary Issuer [Member] Other Subsidiaries Subsidiaries [Member] Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Reportable entities Reportable Legal Entities [Member] Eliminations Intersegment Eliminations [Member] Condensed Financial Statements, Captions [Line Items] Condensed Financial Statements, Captions [Line Items] Total revenues Revenue from Contract with Customer, Excluding Assessed Tax Costs of revenues Cost of Revenue Selling, general and administrative Selling, General and Administrative Expense Total operating expenses Costs and Expenses Other income (expense), net Other Nonoperating Income (Expense) Interest expense on borrowings Interest Expense, Debt Loss from continuing operations before income tax benefit Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Income tax benefit Income Tax Expense (Benefit) Net loss from continuing operations attributable to shareholders Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Net income (loss) from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Net loss Net Income (Loss) Attributable to Parent Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Accounts, Notes, Loans and Financing Receivable, Unclassified [Abstract] RECEIVABLES Loans, Notes, Trade and Other Receivables Disclosure [Text Block] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Remaining performance obligation, expected timing of satisfaction, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Earnings Per Share [Abstract] LOSS PER SHARE AND STOCKHOLDERS' EQUITY Earnings Per Share [Text Block] Debt Disclosure [Abstract] Line of Credit Facility [Table] Line of Credit Facility [Table] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving credit facility Revolving Credit Facility [Member] Swingline Loans Swingline Credit Facility [Member] Swingline Credit Facility [Member] Standby Letters of Credit Standby Letters of Credit [Member] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Aggregate principal amount Line of Credit Facility, Maximum Borrowing Capacity Maximum borrowing capacity Line of Credit Facility, Current Borrowing Capacity Available increase in borrowing capacity Line Of Credit Facility, Available Increase In Borrowing Capacity Line Of Credit Facility, Available Increase In Borrowing Capacity Maximum quarterly debt-to-EBITDA ratio Debt Instrument, Covenant, Quarterly Debt To EBITDA Ratio Debt Instrument, Covenant, Quarterly Debt To EBITDA Ratio Maximum annual debt-to-EBITDA ratio Debt Instrument, Covenant, Annual Debt To EBITDA Ratio Debt Instrument, Covenant, Annual Debt To EBITDA Ratio Minimum interest coverage ratio Debt Instrument, Covenant, Interest Coverage Ratio Debt Instrument, Covenant, Interest Coverage Ratio Committed line of credit borrowings Long-term Line of Credit Full borrowing capacity amount Debt Instrument, Unused Borrowing Capacity, Amount Estimated fair value of long-term debt Long-term Debt, Fair Value Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Accounts, Notes, Loans and Financing Receivable by Receivable Type [Axis] Receivable Type [Axis] Receivable Type [Domain] Receivable [Domain] EAs Emerald Advance Lines Of Credit [Member] Emerald Advance Lines of Credit All Other All Other Receivables [Member] All Other Receivables [Member] Accounts, Notes, Loans and Financing Receivable [Line Items] Allowance for Doubtful Accounts [Roll Forward] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Beginning balance Premium Receivable, Allowance for Credit Loss Provision Premium Receivable, Credit Loss Expense (Reversal) Charge-offs, recoveries and other Accounts Receivable, Allowance for Credit Loss, Writeoff Ending balance Leases [Abstract] Lease Costs Lease, Cost [Table Text Block] Other Information Related to Operating Leases Assets And Liabilities, Lessee [Table Text Block] Assets And Liabilities, Lessee [Table Text Block] Aggregate Operating Lease Maturities Lessee, Operating Lease, Liability, Maturity [Table Text Block] Operating lease costs Operating Lease, Cost Variable lease costs Variable Lease, Cost Subrental income Sublease Income Total lease costs Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Commitments and Contingencies Disclosure [Abstract] LITIGATION AND OTHER RELATED CONTINGENCIES Legal Matters and Contingencies [Text Block] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Senior Notes Senior Notes [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Senior Notes, 4.125%, due October 2020 Senior Notes due 2020 [Member] Senior Notes due 2020 [Member] Senior Notes, 5.500%, due November 2022 Senior Notes due 2022 [Member] Senior Notes due 2022 [Member] Senior Notes, 5.250%, due October 2025 Senior Notes due 2025 [Member] Senior Notes due 2025 [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Interest rate Debt Instrument, Interest Rate, Stated Percentage Senior notes Senior Notes Debt issuance costs and discounts Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Long-term debt including current portion Long-term Debt Less: Current portion Income Tax Disclosure [Abstract] INCOME TAXES Income Tax Disclosure [Text Block] Components of Long-Term Debt Schedule of Long-term Debt Instruments [Table Text Block] Unrecognized tax benefits Unrecognized Tax Benefits Gross unrecognized tax benefits increase (decrease) Unrecognized Tax Benefits, Period Increase (Decrease) Change in tax benefits that are reasonably possible Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit Discrete income tax benefit Effective Income Tax Rate Reconciliation, Discrete Adjustments, Amount Effective Income Tax Rate Reconciliation, Discrete Adjustments, Amount Effective tax rate Effective Income Tax Rate Reconciliation, Percent Increase in effective tax rate from discrete item, percent Effective Income Tax Rate Reconciliation, Effect of Discrete Items, Percent Effective Income Tax Rate Reconciliation, Effect of Discrete Items, Percent Goodwill and Intangible Assets Disclosure [Abstract] Schedule of Goodwill [Table] Schedule of Goodwill [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Wave Wave HQ Inc. [Member] Wave HQ Inc. [Member] Goodwill [Line Items] Goodwill [Line Items] Goodwill [Roll Forward] Goodwill [Roll Forward] Goodwill before impairment losses, beginning balance Goodwill, Gross Accumulated impairment losses, beginning balance Goodwill, Impaired, Accumulated Impairment Loss Goodwill, beginning balance Acquisitions Goodwill, Acquired During Period Disposals and foreign currency changes, net Goodwill Disposals and Other Goodwill disposals and other Impairments Goodwill, Impairment Loss Goodwill before impairment losses, ending balance Accumulated impairment losses, ending balance Goodwill, ending balance Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Reacquired franchise rights Reacquired Franchise Rights [Member] Reacquired Franchise Rights [Member] Customer relationships Customer Relationships [Member] Internally-developed software Computer Software, Intangible Asset [Member] Noncompete agreements Noncompete Agreements [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Amount Finite-lived Intangible Assets Acquired Weighted-Average Life (in years) Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Computations of Basic And Diluted Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Cash & cash equivalents Receivables, net Property and equipment, net Intangible assets, net Deferred tax assets and income taxes receivable Investments in subsidiaries Equity Method Investments Amounts due from affiliates Due from Affiliates Accounts payable and accrued expenses Current portion of long-term debt Debt, Current Operating lease liabilities Deferred tax liabilities and reserves for uncertain tax positions Operating lease liabilities Amounts due to affiliates Due to Related Parties Stockholders' equity (deficiency) Schedule of Short-Term Receivables Schedule of Short-Term Receivables [Table Text Block] Schedule of Short-Term Receivables [Table Text Block] Schedule of Receivables Based On Year of Origination Schedule of Receivables Based on Year of Origination [Table Text Block] Schedule of Receivables Based on Year of Origination [Table Text Block] Schedule of Activity In The Allowance For Doubtful Accounts Schedule of Activity in the Allowance for Doubtful Accounts [Table Text Block] Schedule of Activity in the Allowance for Doubtful Accounts [Table Text Block] Disaggregation of Revenue by Major Service Line Disaggregation of Revenue [Table Text Block] Schedule of Deferred Revenue Related To The Peace of Mind Program Contract with Customer, Asset and Liability [Table Text Block] Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock Common Stock [Member] Additional Paid-in Capital Additional Paid-in Capital [Member] Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Retained Earnings (Deficit) Retained Earnings [Member] Treasury Stock Treasury Stock [Member] Statement [Line Items] Statement [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Beginning Balances, Shares Shares, Issued Beginning Balances, Value Net loss Cumulative effect of ASU 2016-16 Cumulative Effect of New Accounting Principle in Period of Adoption Other comprehensive (loss) income Other Comprehensive Income (Loss), Net of Tax Stock-based compensation APIC, Share-based Payment Arrangement, Increase for Cost Recognition Stock-based awards exercised or vested, shares Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture Stock-based awards exercised or vested Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture Acquisition of treasury shares, shares Treasury Stock, Shares, Acquired Acquisition of treasury shares Treasury Stock, Value, Acquired, Cost Method Repurchase and retirement of common shares, shares Stock Repurchased and Retired During Period, Shares Repurchase and retirement of common shares Stock Repurchased and Retired During Period, Value Cash dividends declared Dividends, Common Stock, Cash Ending Balances, Shares Ending Balances, Value Cover page. Document Type Document Type Document Quarterly Report Document Quarterly Report Document Period End Date Document Period End Date Document Transition Report Document Transition Report Entity File Number Entity File Number Entity Registrant Name Entity Registrant Name Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line One Entity Address, City or Town Entity Address, City or Town Entity Address, State or Province Entity Address, State or Province Entity Address, Postal Zip Code Entity Address, Postal Zip Code City Area Code City Area Code Local Phone Number Local Phone Number Title of 12(b) Security Title of 12(b) Security Trading Symbol Trading Symbol Security Exchange Name Security Exchange Name Entity Current Reporting Status Entity Current Reporting Status Entity Interactive Data Current Entity Interactive Data Current Entity Filer Category Entity Filer Category Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Shell Company Entity Shell Company Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Amendment Flag Amendment Flag Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date LEASES Lessee, Operating Leases [Text Block] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] ASU 2016-16 Accounting Standards Update 2016-16 [Member] Cash dividends declared per share (in usd per share) Common Stock, Dividends, Per Share, Cash Paid Schedule of Goodwill Schedule of Goodwill [Table Text Block] Schedule of Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Schedule of Values and Weighted- average Lives of Assets Acquired Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block] LONG-TERM DEBT Long-term Debt [Text Block] Schedule of Assets Acquired, Net of Liabilities Assumed Schedule of Business Acquisitions, by Acquisition [Table Text Block] Allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss, Current Accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Common stock, stated value per share (in usd per share) Common Stock, Par or Stated Value Per Share Common stock, shares authorized (in shares) Common Stock, Shares Authorized Common stock, shares issued (in shares) Common Stock, Shares, Issued Treasury stock, shares (in shares) Treasury Stock, Shares Acquisition Business Combination, Consideration Transferred Compensation payable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Compensation Payable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Compensation Payable Expense period Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Compensation Payable, Expense Period Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Compensation Payable, Expense Period Cash performance incentives and share based compensation, vesting period Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Incentives and Share-based Payment Award, Award Vesting Period Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Incentives and Share-based Payment Award, Award Vesting Period Revenues recognized Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual Pretax losses recognized Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual Pro forma revenues Business Acquisition, Pro Forma Revenue Pro forma pretax losses Business Acquisition, Pro Forma Net Income (Loss) Statement of Cash Flows [Abstract] CASH FLOWS FROM OPERATING ACTIVITIES: Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net loss to net cash used in operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization Provision for bad debt Provision For Bad Debts And Loan Losses Provision for bad debts and loan losses. Deferred taxes Deferred Income Tax Expense (Benefit) Including Discontinued Operations Deferred Income Tax Expense (Benefit) Including Discontinued Operations Stock-based compensation Share-based Payment Arrangement, Noncash Expense Changes in assets and liabilities, net of acquisitions: Increase (Decrease) in Operating Capital [Abstract] Receivables Increase (Decrease) in Accounts Receivable Prepaid expenses, other current and noncurrent assets Increase (Decrease) in Prepaid Expense and Other Assets Accounts payable, accrued expenses, salaries, wages and payroll taxes Increase (Decrease) in Accounts Payable and Accrued Liabilities Deferred revenue, other current and noncurrent liabilities Increase (Decrease) in Other Current Liabilities Income tax receivables, accrued income taxes and income tax reserves Increase (Decrease) in Other Operating Liabilities Other, net Other Operating Activities, Cash Flow Statement Net cash used in operating activities Net Cash Provided by (Used in) Operating Activities CASH FLOWS FROM INVESTING ACTIVITIES: Net Cash Provided by (Used in) Investing Activities [Abstract] Capital expenditures Payments to Acquire Property, Plant, and Equipment Payments made for business acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Franchise loans funded Payments For Loans Made To Franchisees Payments For Loans Made To Franchisees Payments from franchisees Proceeds from Collection of Franchise Loans Receivable Proceeds from Collection of Franchise Loans Receivable Other, net Payments for (Proceeds from) Other Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities CASH FLOWS FROM FINANCING ACTIVITIES: Net Cash Provided by (Used in) Financing Activities [Abstract] Repayments of line of credit borrowings Repayments of Long-term Lines of Credit Proceeds from line of credit borrowings Proceeds from Long-term Lines of Credit Dividends paid Payments of Dividends Repurchase of common stock, including shares surrendered Payments for repurchase of common stock, including shares surrendered Payments for repurchase of common stock, including shares surrendered Proceeds from exercise of stock options Proceeds from Stock Options Exercised Other, net Proceeds from (Payments for) Other Financing Activities Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Effects of exchange rate changes on cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Net decrease in cash and cash equivalents, including restricted balances Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash, cash equivalents and restricted cash, beginning of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, cash equivalents and restricted cash, end of period SUPPLEMENTARY CASH FLOW DATA: Supplemental Cash Flow Information [Abstract] Income taxes paid, net of refunds received Income Taxes Paid, Net Interest paid on borrowings Interest Paid, Excluding Capitalized Interest, Operating Activities Accrued additions to property and equipment Accrued Additions to Property and Equipment Accrued Additions to Property and Equipment Accrued purchase of common stock Accrued Purchase Of Common Stock Accrued Purchase Of Common Stock Deferred Type [Axis] Deferred Type [Axis] Deferred Type [Axis] Deferred Type [Domain] Deferred Type [Domain] [Domain] for Deferred Type [Axis] Deferred Revenue Deferred Revenue [Member] Deferred Revenue [Member] Deferred Wages Deferred Wages [Member] Deferred Wages [Member] Movement in Deferred Revenue [Roll Forward] Movement in Deferred Revenue [Roll Forward] Balance, beginning of the period Amounts deferred Contract with Customer, Liability, Amount Deferred Contract with Customer, Liability, Amount Deferred Amounts recognized on previous deferrals Contract with Customer, Liability, Revenue Recognized Balance, end of the period Amounts allocated to participating securities Undistributed Earnings (Loss) Allocated to Participating Securities, Basic Net loss from continuing operations attributable to common shareholders Net Income (Loss) Available to Common Stockholders, Basic Basic weighted average common shares (in shares) Weighted Average Number of Shares Outstanding, Basic Potential dilutive shares (in shares) Weighted Average Number Diluted Shares Outstanding Adjustment Dilutive weighted average common shares (in shares) Weighted Average Number of Shares Outstanding, Diluted Basic (in usd per share) Income (Loss) from Continuing Operations, Per Basic Share Diluted (in usd per share) Income (Loss) from Continuing Operations, Per Diluted Share Income Statement [Abstract] Tax benefit on discontinued operations Discontinued Operation, Tax Effect of Discontinued Operation Net cash used in operating activities Capital expenditures Franchise loans funded Payments from franchisees Intercompany borrowings (payments) Net Intercompany Advances Investing Activities Net Intercompany Advances Investing Activities Other, net Dividends paid Proceeds from exercise of stock options Intercompany borrowings (payments) Net Intercompany Advances Financing Activities Net Intercompany Advances Financing Activities Service revenues Service [Member] Royalty, product and other revenues Royalty [Member] REVENUES: Revenues [Abstract] Service revenues OPERATING EXPENSES: Costs and Expenses [Abstract] Costs of revenues Other income (expense), net Interest expense on borrowings Net loss from continuing operations Net loss from discontinued operations, net of tax benefits of $488 and $1,962, $3,173 and $4,731 BASIC AND DILUTED LOSS PER SHARE: Earnings Per Share, Basic [Abstract] Continuing operations (in usd per share) Discontinued operations (in usd per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share Consolidated (in usd per share) Earnings Per Share, Basic COMPREHENSIVE LOSS: Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Change in foreign currency translation adjustments and other Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Other comprehensive income (loss) Schedule of Condensed Consolidating Statements of Operations Condensed Income Statement [Table Text Block] Schedule of Condensed Consolidating Balance Sheets Condensed Balance Sheet [Table Text Block] Schedule of Condensed Consolidating Statements of Cash Flows Condensed Cash Flow Statement [Table Text Block] CONDENSED CONSOLIDATING FINANCIAL STATEMENTS Condensed Financial Information of Parent Company Only Disclosure [Text Block] Franchisee and competitor businesses Franchisee and Competitor Businesses [Member] Franchisee and Competitor Businesses [Member] Payments to acquire franchisee and competitor businesses Number of acquired offices Number of Acquired Offices Number of Acquired Offices Amortization Amortization of Intangible Assets Estimated amortization, 2020 Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year Estimated amortization, 2021 Finite-Lived Intangible Assets, Amortization Expense, Year Two Estimated amortization, 2022 Finite-Lived Intangible Assets, Amortization Expense, Year Three Estimated amortization, 2023 Finite-Lived Intangible Assets, Amortization Expense, Year Four Estimated amortization, 2024 Finite-Lived Intangible Assets, Amortization Expense, Year Five Antidilutive securities excluded from computation of earnings per share, amount (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Shares repurchased during the period, (in shares) Stock Repurchased During Period, Shares Shares repurchased during the period, value Stock Repurchased During Period, Value Shares issued during period (in shares) Nonvested units granted Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted Stock-based compensation Share-based Payment Arrangement, Expense Unrecognized compensation costs, options Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Unrecognized compensation costs, nonvested shares and units Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount H&R Block Instant RefundTM receivables H&R Block Instant Refund [Member] H&R Block Instant Refund [Member] H&R Block Emerald AdvanceTM lines of credit Financial Instrument [Axis] Financial Instrument [Axis] Fair Value, Off-balance Sheet Risks, Financial Instruments [Domain] Financial Instruments [Domain] Current year of origination Current Year Of Origination [Member] Current Year Of Origination [Member] Prior year and before Prior Year Of Origination and Before [Member] Prior Year Of Origination and Before [Member] Revolving loans Revolving Loans [Member] Revolving Loans [Member] Balance Financing Receivable, before Allowance for Credit Loss Allowance Financing Receivable, Allowance for Credit Loss Net balance Financing Receivable, after Allowance for Credit Loss Non-Accrual Loans and Leases Receivable, Nonperforming, Nonaccrual of Interest Other Income and Expenses [Abstract] Interest income Interest Income, Other Foreign currency gains (losses), net Foreign Currency Transaction Gain (Loss), before Tax Other, net Other Nonoperating Income Other, net Other Nonoperating Expense Other income (expense), net Loans to franchisees Loans To Franchisees [Member] Loans to Franchisees Receivables for U.S. assisted and DIY tax preparation and related fees Receivables For Tax Preparation And Related Fees [Member] Receivables for Tax Preparation and Related Fees H&R Block Instant RefundTM receivables Software receivables from retailers Software Receivable from Retailers [Member] Software Receivable from Retailers [Member] Royalties and other receivables from franchisees Royalties From Franchisees [Member] Royalties from Franchisees [Member] Wave payment processing receivables Wave Payment Processing Receivables [Member] Wave Payment Processing Receivables [Member] Other Other Receivables [Member] Other Receivables [Member] Short-term Long-term Accounts Receivable, after Allowance for Credit Loss, Noncurrent Components of Other Income (Expense), net Schedule of Other Nonoperating Income (Expense) [Table Text Block] U.S. assisted tax preparation Tax Preparation Fees [Member] Tax Preparation Fees [Member] U.S. royalties Royalties [Member] Royalties [Member] U.S. DIY tax preparation DIY Tax Preparation Fees [Member] DIY Tax Preparation Fees [Member] International International [Member] International [Member] Refund Transfers Refund Transfer Revenues [Member] Refund Transfer Revenues [Member] Emerald Card® Fees from Emerald Card [Member] Fees from Emerald Card [Member] Peace of Mind® Extended Service Plan Tax Identity Shield® Interest and fee income on Emerald AdvanceTM Interest and Fee Income on Emerald Advance [Member] Interest and Fee Income on Emerald Advance [Member] Other Other revenue [Member] Other revenue [Member] Goodwill and Intangible Assets [Table] Goodwill and Intangible Assets [Table] Goodwill and Intangible Assets [Table] Reacquired franchise rights Customer relationships Internally-developed software Software and Software Development Costs [Member] Noncompete agreements Franchise agreements Franchise Rights [Member] Purchased technology Purchased Technology [Member] Purchased Technology [Member] Trade name Trade Names [Member] Acquired assets pending final allocation Other Intangible Assets [Member] Goodwill and Intangible Assets [Line Items] Goodwill and Intangible Assets Disclosure [Line Items] Gross Carrying Amount Finite-Lived Intangible Assets, Gross Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Net Finite-Lived Intangible Assets, Net GOODWILL AND INTANGIBLE ASSETS Goodwill and Intangible Assets Disclosure [Text Block] Loans more than 90 days past due Financing Receivable, Past Due Impaired, non-accrual status term Impaired Non Accrual Status Term Impaired Non Accrual Status Term Loss Contingencies [Table] Loss Contingencies [Table] Counterparty Name [Axis] Counterparty Name [Axis] Counterparty Name [Domain] Counterparty Name [Domain] Axos Axos [Member] Axos [Member] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] SCC Scc [Member] SCC [Member] Loss Contingencies [Line Items] Loss Contingencies [Line Items] POM maximum per tax return POM Maximum per Tax Return POM Maximum per Tax Return Standard guarantee accrual amount Standard Guarantee Accrual Amount Standard guarantee accrual amount Contingent business acquisition obligations Business Combination, Contingent Consideration, Liability Lines of credit, total obligation Obligation For Unfunded Letter Of Credit Obligation for unfunded letter of credit Remaining franchise equity lines of credit-undrawn commitment Remaining Obligation For Unfunded Letter Of Credit Remaining obligation for unfunded letter of credit. Percentage of participation interest at par OtherCommitmentPercentageofParticipationInterestRequiredtobePurchasedatPar OtherCommitmentPercentageofParticipationInterestRequiredtobePurchasedatPar Purchased of participation interest, at par Purchased of participation interest, at par Purchased of participation interest, at par Limited guarantee Guarantor Obligations, Maximum Exposure, Undiscounted Loss contingency accrual Loss Contingency Accrual Estimate of possible loss Loss Contingency, Estimate of Possible Loss OTHER INCOME AND OTHER EXPENSES Other Income and Other Expense Disclosure [Text Block] REVENUE RECOGNITION Revenue from Contract with Customer [Text Block] Cash paid for operating lease costs Operating Lease, Payments Operating lease right of use assets obtained in exchange for operating lease liabilities Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Weighted-average remaining operating lease term (years) Operating Lease, Weighted Average Remaining Lease Term Weighted-average operating lease discount rate Operating Lease, Weighted Average Discount Rate, Percent Schedule of Litigation and Related Contingencies [Table] Schedule of Litigation and Related Contingencies [Table] Schedule of Litigation and Related Contingencies [Table] Litigation Case [Axis] Litigation Case [Axis] Litigation Case Type [Domain] Litigation Case [Domain] Free File Litigation Free File Litigation [Member] Free File Litigation [Member] MGRID LLC v. Merrill Lynch Mortgage Lending Inc MGRID LLC v. Merrill Lynch Mortgage Lending Inc [Member] MGRID LLC v. Merrill Lynch Mortgage Lending Inc [Member] Loss Contingencies by Nature of Contingency [Axis] Loss Contingency Nature [Axis] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Claims with Knowledge of Outstanding Principal Amount Claims with Knowledge of Outstanding Principal Amount [Member] Claims with Knowledge of Outstanding Principal Amount [Member] Eligibility period prior to filing complaint Loss Contingency, Eligibility, Prior to Lawsuit Filing Date Loss Contingency, Eligibility, Prior to Lawsuit Filing Date Original loans collateralized Collateral, Number of Trust Loans Collateral, Number of Trust Loans Number of loans sold to the trust Number of loans sold to the trust Number of loans sold to the trust Loans sold to trust, with claims of breach of contract and indemnity Loans Sold To Trust, With Claims of Breach of Contract and Indemnity Loans Sold To Trust, With Claims of Breach of Contract and Indemnity Number of lawsuits Loss Contingency, Pending Claims, Number Securitization transactions Securitization Transactions Securitization Transactions Original principal amount of loans securitized Original Principal Amount of Loans Securitized Original Principal Amount of Loans Securitized Initial principal on loans securitized Initial Principal Amount Of Loans Securitized Initial principal amount of loans securitized. Principal assets of SCC Net Assets Assets acquired and liabilities assumed, net Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Excluding Intangible Assets, Net Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Excluding Intangible Assets, Net Deferred tax liability Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Acquired intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Total identifiable net assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Total identifiable assets and goodwill Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Weighted-Average Life (in years) Remainder of 2020 Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year 2021 Lessee, Operating Lease, Liability, Payments, Due Year Two 2022 Lessee, Operating Lease, Liability, Payments, Due Year Three 2023 Lessee, Operating Lease, Liability, Payments, Due Year Four 2024 Lessee, Operating Lease, Liability, Payments, Due Year Five 2025 and thereafter Lessee, Operating Lease, Liability, Payments, Due after Year Five Total future undiscounted operating lease payments Lessee, Operating Lease, Liability, Payments, Due Less imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Total operating lease liabilities Operating Lease, Liability Future undiscounted operating lease commitments Operating Leases, Future Minimum Payments Due COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block]