Condensed Consolidating Financial Statements (Schedule Of Condensed Consolidating Income Statements) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Apr. 30, 2012	Jan. 31, 2012	Oct. 31, 2011	Jul. 31, 2011	Apr. 30, 2011	Jan. 31, 2011	Oct. 31, 2010	Jul. 31, 2010	Apr. 30, 2012	Apr. 30, 2011	Apr. 30, 2010
Condensed Financial Statements, Captions [Line Items]
Total revenues	$ 2,000,674	$ 663,280	$ 129,194	$ 100,623	$ 2,045,259	$ 680,296	$ 119,590	$ 99,835	$ 2,893,771	$ 2,944,980	$ 3,014,835
Cost of revenues									1,701,695	1,776,782	1,820,417
Selling, general and administrative									625,784	551,859	480,604
Total expenses									2,327,479	2,328,641	2,301,021
Operating income (loss)									566,292	616,339	713,814
Other income, net									9,778	11,364	9,600
Income (loss) from continuing operations before taxes (benefit)	981,626	(1,026)	(203,929)	(200,601)	1,044,338	(25,968)	(183,516)	(207,151)	576,070	627,703	723,414
Income taxes (benefit)	389,923	2,541	(80,916)	(81,446)	401,505	(14,934)	(72,072)	(79,343)	230,102	235,156	268,291
Net income (loss) from continuing operations	591,703	(3,567)	(123,013)	(119,155)	642,833	(11,034)	(111,444)	(127,808)	345,968	392,547	455,123
Net income (loss) from discontinued operations	(5,600)	218	(18,711)	(55,943)	15,728	(1,687)	2,395	(2,873)	(80,036)	13,563	24,119
Net income (loss)	586,103	(3,349)	(141,724)	(175,098)	658,561	(12,721)	(109,049)	(130,681)	265,932	406,110	479,242
Other comprehensive income (loss)									912	9,555	13,317
Comprehensive income (loss)									266,844	415,665	492,559
H&R Block, Inc. (Guarantor) [Member]
Condensed Financial Statements, Captions [Line Items]
Other income, net									576,070	627,703	723,414
Income (loss) from continuing operations before taxes (benefit)									576,070	627,703	723,414
Income taxes (benefit)									230,102	235,156	268,291
Net income (loss) from continuing operations									345,968	392,547	455,123
Net income (loss) from discontinued operations									(80,036)	13,563	24,119
Net income (loss)									265,932	406,110	479,242
Other comprehensive income (loss)									912	9,555	13,317
Comprehensive income (loss)									266,844	415,665	492,559
Block Financial (Issuer) [Member]
Condensed Financial Statements, Captions [Line Items]
Total revenues									234,925	251,521	271,704
Cost of revenues									221,988	277,099	257,245
Selling, general and administrative									24,730	31,914	36,946
Total expenses									246,718	309,013	294,191
Operating income (loss)									(11,793)	(57,492)	(22,487)
Other income, net									8,686	5,503	5,644
Income (loss) from continuing operations before taxes (benefit)									(3,107)	(51,989)	(16,843)
Income taxes (benefit)									(1,191)	(27,774)	(6,368)
Net income (loss) from continuing operations									(1,916)	(24,215)	(10,475)
Net income (loss) from discontinued operations									(40,172)	(12,417)	(5,276)
Net income (loss)									(42,088)	(36,632)	(15,751)
Other comprehensive income (loss)									3,085	163	(1,107)
Comprehensive income (loss)									(39,003)	(36,469)	(16,858)
Other Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Total revenues									2,666,267	2,693,459	2,743,224
Cost of revenues									1,487,128	1,499,683	1,563,289
Selling, general and administrative									601,054	519,945	443,751
Total expenses									2,088,182	2,019,628	2,007,040
Operating income (loss)									578,085	673,831	736,184
Other income, net									1,092	5,861	4,073
Income (loss) from continuing operations before taxes (benefit)									579,177	679,692	740,257
Income taxes (benefit)									231,293	262,930	274,659
Net income (loss) from continuing operations									347,884	416,762	465,598
Net income (loss) from discontinued operations									(39,864)	25,980	29,395
Net income (loss)									308,020	442,742	494,993
Other comprehensive income (loss)									(2,173)	9,392	14,424
Comprehensive income (loss)									305,847	452,134	509,417
Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Total revenues									(7,421)		(93)
Cost of revenues									(7,421)		(117)
Selling, general and administrative											(93)
Total expenses									(7,421)		(210)
Operating income (loss)											117
Other income, net									(576,070)	(627,703)	(723,531)
Income (loss) from continuing operations before taxes (benefit)									(576,070)	(627,703)	(723,414)
Income taxes (benefit)									(230,102)	(235,156)	(268,291)
Net income (loss) from continuing operations									(345,968)	(392,547)	(455,123)
Net income (loss) from discontinued operations									80,036	(13,563)	(24,119)
Net income (loss)									(265,932)	(406,110)	(479,242)
Other comprehensive income (loss)									(912)	(9,555)	(13,317)
Comprehensive income (loss)									$ (266,844)	$ (415,665)	$ (492,559)