Mortgage Loans Held For Investment And Related Assets (Schedule Of Allowance For Impaired Loans) (Details) (USD $) In Thousands, unless otherwise specified	Apr. 30, 2014	Apr. 30, 2013
Mortgage Loans Held For Investment And Related Assets [Abstract]
Based on collateral value method	$ 2,418	$ 3,762
Based on discounted cash flow method	4,346	4,924
Total allowance for loans	$ 6,764	$ 8,686

Allowance for loans losses allocated to impaired loans total

No definition available.

Name:	hrb_AllowanceForLoansLossesAllocatedToImpairedLoansTotal
Namespace Prefix:	hrb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant