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, 2015	Apr. 30, 2014	Jan. 31, 2014
Mortgage Loans Held For Investment And Related Assets [Line Items]
Outstanding Principal Balance	$ 252,965	$ 277,423	$ 291,325
Loan Loss Allowance, Amount	9,375	11,272	11,563
Loan Loss Allowance, % of Principal	3.70%	4.10%	4.00%
% 30 Days Past Due	19.20%hrb_PercentOfLoansThirtyDaysPastDue
Purchased From SCC
Mortgage Loans Held For Investment And Related Assets [Line Items]
Outstanding Principal Balance	145,812
Loan Loss Allowance, Amount	7,292
Loan Loss Allowance, % of Principal	5.00%
% 30 Days Past Due	28.40%
All Other
Mortgage Loans Held For Investment And Related Assets [Line Items]
Outstanding Principal Balance	107,153
Loan Loss Allowance, Amount	$ 2,083
Loan Loss Allowance, % of Principal	1.90%
% 30 Days Past Due	6.80%

Loans and Leases Receivable, Allowance as percent of principal

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- Details

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- Definition

Percent of loans thirty days past due

+ References

No definition available.

+ Details

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- 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

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- 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

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