Mortgage Loans Held For Investment And Related Assets (Schedule Of Mortgage Loans Held For Investment And The Related Allowance) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Jan. 31, 2014	Apr. 30, 2013	Jan. 31, 2013
Mortgage Loans Held For Investment And Related Assets [Line Items]
Outstanding Principal Balance	$ 291,325	$ 350,235	$ 372,139
Loan Loss Allowance, Amount	11,563	14,314	17,256
Loan Loss Allowance, % of Principal	4.00%	4.10%	4.60%
% 30 Days Past Due	20.10%
Purchased From SCC
Mortgage Loans Held For Investment And Related Assets [Line Items]
Outstanding Principal Balance	166,265
Loan Loss Allowance, Amount	9,343
Loan Loss Allowance, % of Principal	5.60%
% 30 Days Past Due	29.60%
All Other
Mortgage Loans Held For Investment And Related Assets [Line Items]
Outstanding Principal Balance	125,060
Loan Loss Allowance, Amount	$ 2,220
Loan Loss Allowance, % of Principal	1.80%
% 30 Days Past Due	7.60%

Loans and Leases Receivable, Allowance as percent of principal

No definition available.

Name:	hrb_LoansAndLeasesReceivableAllowanceAsPercentOfPrincipal
Namespace Prefix:	hrb_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	hrb_MortgageLoansHeldForInvestmentAndRelatedAssetsLineItems
Namespace Prefix:	hrb_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percent of loans thirty days past due

+ References

No definition available.

+ Details

Name:	hrb_PercentOfLoansThirtyDaysPastDue
Namespace Prefix:	hrb_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The reserve to cover probable credit losses related to specifically identified fixed maturity real estate loans as well as probable credit losses inherent in the remainder of that loan portfolio.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 310

-Section 45

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6873192&loc=d3e21338-158488

+ Details

Name:	us-gaap_AllowanceForLoanAndLeaseLossesRealEstate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522

+ Details

Name:	us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant