Condensed Consolidating Financial Statements (Schedule Of Condensed Consolidating Balance Sheets) (Details) (USD $) In Thousands, unless otherwise specified	Oct. 31, 2012	Apr. 30, 2012	Oct. 31, 2011	Apr. 30, 2011
Condensed Financial Statements, Captions [Line Items]
Cash & cash equivalents	$ 1,260,901	$ 1,944,334	$ 572,611	$ 1,677,844
Cash & cash equivalents - restricted	38,667	48,100
Receivables, net	124,511	193,858	128,062
Mortgage loans held for investment	370,850	406,201
Intangible assets and goodwill, net	696,788	692,017
Investments in subsidiaries	660	715
Other assets	1,404,353	1,364,342
Total assets	3,896,730	4,649,567
Customer deposits	790,106	827,549
Long-term debt	1,506,803	1,040,549	1,039,931
Other liabilities	906,888	1,455,577
Stockholders' equity	692,933	1,325,892
Total liabilities and stockholders' equity	3,896,730	4,649,567
H&R Block, Inc. (Guarantor) [Member]
Condensed Financial Statements, Captions [Line Items]
Investments in subsidiaries	2,906,582	2,525,473
Other assets	9,357	8,887
Total assets	2,915,939	2,534,360
Other liabilities	308	22,690
Net intercompany advances	2,222,698	1,185,778
Stockholders' equity	692,933	1,325,892
Total liabilities and stockholders' equity	2,915,939	2,534,360
Block Financial (Issuer) [Member]
Condensed Financial Statements, Captions [Line Items]
Cash & cash equivalents	491,772	515,147	380,692	616,238
Cash & cash equivalents - restricted	696	8,814
Receivables, net	98,007	90,755
Mortgage loans held for investment	370,850	406,201
Investments in subsidiaries	641
Other assets	611,904	623,032
Total assets	1,573,870	1,643,949
Customer deposits	790,972	828,392
Long-term debt	1,496,695	999,325
Other liabilities	284,042	(33,609)
Net intercompany advances	(689,702)	62,734
Stockholders' equity	(308,137)	(212,893)
Total liabilities and stockholders' equity	1,573,870	1,643,949
Other Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Cash & cash equivalents	769,995	1,430,030	192,199	1,061,656
Cash & cash equivalents - restricted	37,971	39,286
Receivables, net	26,504	103,103
Intangible assets and goodwill, net	696,788	692,017
Investments in subsidiaries	19	715
Other assets	783,092	732,423
Total assets	2,314,369	2,997,574
Long-term debt	10,108	41,224
Other liabilities	622,538	1,466,496
Net intercompany advances	(1,532,996)	(1,248,512)
Stockholders' equity	3,214,719	2,738,366
Total liabilities and stockholders' equity	2,314,369	2,997,574
Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Cash & cash equivalents	(866)	(843)	(280)	(50)
Investments in subsidiaries	(2,906,582)	(2,525,473)
Total assets	(2,907,448)	(2,526,316)
Customer deposits	(866)	(843)
Stockholders' equity	(2,906,582)	(2,525,473)
Total liabilities and stockholders' equity	$ (2,907,448)	$ (2,526,316)