Consolidated Statements Of Income And Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Apr. 30, 2015	Apr. 30, 2014	Apr. 30, 2013
REVENUES:
Service revenues	$ 2,651,057us-gaap_SalesRevenueServicesNet	$ 2,570,273us-gaap_SalesRevenueServicesNet	$ 2,443,000us-gaap_SalesRevenueServicesNet
Royalty, product and other revenues	334,737us-gaap_OtherSalesRevenueNet	355,928us-gaap_OtherSalesRevenueNet	364,114us-gaap_OtherSalesRevenueNet
Interest income	92,864us-gaap_InterestIncomeOperating	98,094us-gaap_InterestIncomeOperating	98,829us-gaap_InterestIncomeOperating
Total revenues	3,078,658us-gaap_Revenues	3,024,295us-gaap_Revenues	2,905,943us-gaap_Revenues
OPERATING EXPENSES:
Compensation and benefits	852,480us-gaap_SalariesAndWages	816,623us-gaap_SalariesAndWages	769,161us-gaap_SalariesAndWages
Occupancy and equipment	378,624hrb_OccupancyAndEquipment	362,782hrb_OccupancyAndEquipment	354,612hrb_OccupancyAndEquipment
Provision for bad debt and loan losses	74,993hrb_ProvisionForBadDebtAndLoanLosses	80,007hrb_ProvisionForBadDebtAndLoanLosses	90,685hrb_ProvisionForBadDebtAndLoanLosses
Depreciation and amortization	111,861us-gaap_Depreciation	93,259us-gaap_Depreciation	75,229us-gaap_Depreciation
Other	212,532us-gaap_OtherCostOfOperatingRevenue	219,706us-gaap_OtherCostOfOperatingRevenue	240,804us-gaap_OtherCostOfOperatingRevenue
Cost of revenues	1,630,490us-gaap_CostOfRevenue	1,572,377us-gaap_CostOfRevenue	1,530,491us-gaap_CostOfRevenue
Impairment of goodwill	0us-gaap_GoodwillImpairmentLoss	0us-gaap_GoodwillImpairmentLoss
Marketing and advertising	273,682us-gaap_MarketingAndAdvertisingExpense	238,763us-gaap_MarketingAndAdvertisingExpense	270,783us-gaap_MarketingAndAdvertisingExpense
Compensation and benefits	238,527	249,779	213,987
Depreciation and amortization	47,943us-gaap_AmortizationOfIntangibleAssets	22,345us-gaap_AmortizationOfIntangibleAssets	17,178us-gaap_AmortizationOfIntangibleAssets
Selling, general and administrative	653,502	633,428	604,469
Other selling, general and administrative	93,350us-gaap_GeneralAndAdministrativeExpense	122,541us-gaap_GeneralAndAdministrativeExpense	102,521us-gaap_GeneralAndAdministrativeExpense
Total operating expenses	2,283,992us-gaap_CostsAndExpenses	2,205,805us-gaap_CostsAndExpenses	2,134,960us-gaap_CostsAndExpenses
Other income	(1,314)us-gaap_OtherNonoperatingIncome	(36,315)us-gaap_OtherNonoperatingIncome	(12,575)us-gaap_OtherNonoperatingIncome
Interest expense on borrowings	(45,246)us-gaap_InterestExpenseBorrowings	(55,279)us-gaap_InterestExpenseBorrowings	(74,297)us-gaap_InterestExpenseBorrowings
Other expenses	(7,929)us-gaap_OtherNonoperatingExpense	(32,410)us-gaap_OtherNonoperatingExpense	(7,250)us-gaap_OtherNonoperatingExpense
Income from continuing operations before income taxes	742,805	767,116	702,011
Income taxes	256,061us-gaap_IncomeTaxExpenseBenefit	267,019us-gaap_IncomeTaxExpenseBenefit	236,853us-gaap_IncomeTaxExpenseBenefit
Net income (loss) from continuing operations	486,744	500,097	465,158
Net loss from discontinued operations, net of tax benefits of $8,125, $15,422 and $19,662	(13,081)	(24,940)	(31,210)
NET INCOME	473,663us-gaap_NetIncomeLoss	475,157us-gaap_NetIncomeLoss	433,948us-gaap_NetIncomeLoss
BASIC EARNINGS (LOSS) PER SHARE:
Continuing operations (in usd per share)	$ 1.77	$ 1.82	$ 1.70
Discontinued operations (in usd per share)	$ (0.05)	$ (0.09)	$ (0.11)
Consolidated (in usd per share)	$ 1.72us-gaap_EarningsPerShareBasic	$ 1.73us-gaap_EarningsPerShareBasic	$ 1.59us-gaap_EarningsPerShareBasic
DILUTED EARNINGS (LOSS) PER SHARE:
Continuing operations (in usd per share)	$ 1.75	$ 1.81	$ 1.69
Discontinued operations (in usd per share)	$ (0.04)	$ (0.09)	$ (0.11)
Consolidated (in usd per share)	$ 1.71us-gaap_EarningsPerShareDiluted	$ 1.72us-gaap_EarningsPerShareDiluted	$ 1.58us-gaap_EarningsPerShareDiluted
COMPREHENSIVE INCOME:
Net income	473,663us-gaap_NetIncomeLoss	475,157us-gaap_NetIncomeLoss	433,948us-gaap_NetIncomeLoss
Unrealized gains on securities, net of taxes:
Unrealized holding gains arising during the year	6,645	1,807	269
Reclassification adjustment for losses (gains) included in income	41	(3,705)	(104)
Unrealized translation gain	(10,123)	(3,475)	(1,760)
Other comprehensive loss	(3,437)	(5,373)	(1,595)
Comprehensive income	$ 470,226us-gaap_ComprehensiveIncomeNetOfTax	$ 469,784us-gaap_ComprehensiveIncomeNetOfTax	$ 432,353us-gaap_ComprehensiveIncomeNetOfTax

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