Condensed Consolidating Financial Statements (Schedule Of Condensed Consolidating Balance Sheets) (Details) (USD $) In Thousands, unless otherwise specified	Jan. 31, 2013	Apr. 30, 2012		Jan. 31, 2012	Apr. 30, 2011
Condensed Financial Statements, Captions [Line Items]
Cash & cash equivalents	$ 418,385	$ 1,944,334		$ 1,218,984	$ 1,677,844
Cash & cash equivalents - restricted	37,958	48,100
Receivables, net	949,160	193,858		1,035,902
Mortgage loans held for investment	357,887	406,201
Intangible assets and goodwill, net	706,779	692,017
Investments in subsidiaries	556	715
Other assets	1,461,771	1,364,342
Total assets	3,932,496	4,649,567	[1]
Commercial paper borrowings	424,967			230,947
Customer deposits	1,036,968	827,549
Long-term debt	906,725	1,040,549		1,040,237
Other liabilities	928,948	1,455,577	[1]
Stockholders' equity	634,888	1,325,892
Total liabilities and stockholders' equity	3,932,496	4,649,567	[1]
H&R Block, Inc. (Guarantor) [Member]
Condensed Financial Statements, Captions [Line Items]
Receivables, net	963
Investments in subsidiaries	2,834,612	2,525,473
Amounts due from affiliates	62	188	[1]
Other assets	8,244	8,887
Total assets	2,843,881	2,534,548	[1]
Other liabilities	367	22,690	[1]
Amounts due to affiliates	2,208,626	1,185,966	[1]
Stockholders' equity	634,888	1,325,892
Total liabilities and stockholders' equity	2,843,881	2,534,548	[1]
Block Financial (Issuer) [Member]
Condensed Financial Statements, Captions [Line Items]
Cash & cash equivalents	294,816	515,147		1,065,448	616,238
Cash & cash equivalents - restricted	1,613	8,814
Receivables, net	555,418	90,755
Mortgage loans held for investment	357,887	406,201
Investments in subsidiaries	556
Amounts due from affiliates	496,760	492,851	[1]
Other assets	630,999	623,032
Total assets	2,338,049	2,136,800	[1]
Commercial paper borrowings	424,967
Customer deposits	1,037,501	828,392
Long-term debt	896,848	999,325
Other liabilities	251,833	277,160	[1]
Amounts due to affiliates		244,816	[1]
Stockholders' equity	(273,100)	(212,893)
Total liabilities and stockholders' equity	2,338,049	2,136,800	[1]
Other Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Cash & cash equivalents	124,102	1,430,030		153,825	1,061,656
Cash & cash equivalents - restricted	36,345	39,286
Receivables, net	392,779	103,103
Intangible assets and goodwill, net	706,779	692,017
Investments in subsidiaries		715
Amounts due from affiliates	2,208,626	1,430,782	[1]
Other assets	822,528	732,423
Total assets	4,291,159	4,428,356	[1]
Long-term debt	9,877	41,224
Other liabilities	676,748	1,155,727	[1]
Amounts due to affiliates	496,822	493,039	[1]
Stockholders' equity	3,107,712	2,738,366
Total liabilities and stockholders' equity	4,291,159	4,428,356	[1]
Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Cash & cash equivalents	(533)	(843)		(289)	(50)
Investments in subsidiaries	(2,834,612)	(2,525,473)
Amounts due from affiliates	(2,705,448)	(1,923,821)	[1]
Total assets	(5,540,593)	(4,450,137)	[1]
Customer deposits	(533)	(843)
Amounts due to affiliates	(2,705,448)	(1,923,821)	[1]
Stockholders' equity	(2,834,612)	(2,525,473)
Total liabilities and stockholders' equity	$ (5,540,593)	$ (4,450,137)	[1]

[1] Amounts as of April 30, 2012 have been restated to conform to the current period presentation, including the presentation of income tax receivables settled with affiliates and the presentation of intercompany receivables and payables as gross, rather than net.