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, 2013	Jan. 31, 2013	Oct. 31, 2012	Jul. 31, 2012	Apr. 30, 2012	Jan. 31, 2012	Oct. 31, 2011	Jul. 31, 2011	Apr. 30, 2013	Apr. 30, 2012	Apr. 30, 2011
Condensed Financial Statements, Captions [Line Items]
Total revenues	$ 2,200,212	$ 471,979	$ 137,263	$ 96,489	$ 2,000,674	$ 663,280	$ 129,194	$ 100,623	$ 2,905,943	$ 2,893,771	$ 2,944,980
Cost of revenues									1,604,788	1,701,695	1,776,782
Selling, general and administrative									604,469	625,784	551,859
Total expenses									2,209,257	2,327,479	2,328,641
Operating income (loss)									696,686	566,292	616,339
Other income, net									5,325	9,778	11,364
Income from continuing operations before income taxes	1,129,836	(96,268)	(162,288)	(169,269)	981,626	(1,026)	(203,929)	(200,601)	702,011	576,070	627,703
Income taxes (benefit)	440,914	(79,353)	(61,089)	(63,619)	389,923	2,541	(80,916)	(81,446)	236,853	230,102	235,156
Net income (loss) from continuing operations	688,922	(16,915)	(101,199)	(105,650)	591,703	(3,567)	(123,013)	(119,155)	465,158	345,968	392,547
Net income (loss) from discontinued operations	(24,582)	(793)	(4,044)	(1,791)	(5,600)	218	(18,711)	(55,943)	(31,210)	(80,036)	13,563
NET INCOME	664,340	(17,708)	(105,243)	(107,441)	586,103	(3,349)	(141,724)	(175,098)	433,948	265,932	406,110
Other comprehensive income (loss)									(1,595)	912	9,555
Other comprehensive income (loss)									432,353	266,844	415,665
H&R Block, Inc. (Guarantor)
Condensed Financial Statements, Captions [Line Items]
Total revenues											0
Cost of revenues											0
Selling, general and administrative											0
Total expenses											0
Operating income (loss)											0
Other income, net									702,011	576,070	627,703
Income from continuing operations before income taxes									702,011	576,070	627,703
Income taxes (benefit)									236,853	230,102	235,156
Net income (loss) from continuing operations									465,158	345,968	392,547
Net income (loss) from discontinued operations									(31,210)	(80,036)	13,563
NET INCOME									433,948	265,932	406,110
Other comprehensive income (loss)									(1,595)	912	9,555
Other comprehensive income (loss)									432,353	266,844	415,665
Block Financial (Issuer)
Condensed Financial Statements, Captions [Line Items]
Total revenues									230,982	234,925	251,521
Cost of revenues									193,400	221,988	277,099
Selling, general and administrative									42,530	24,730	31,914
Total expenses									235,930	246,718	309,013
Operating income (loss)									(4,948)	(11,793)	(57,492)
Other income, net									(1,164)	8,686	5,503
Income from continuing operations before income taxes									(6,112)	(3,107)	(51,989)
Income taxes (benefit)									(29,221)	(1,191)	(27,774)
Net income (loss) from continuing operations									23,109	(1,916)	(24,215)
Net income (loss) from discontinued operations									(31,954)	(40,172)	(12,417)
NET INCOME									(8,845)	(42,088)	(36,632)
Other comprehensive income (loss)									189	3,085	163
Other comprehensive income (loss)									(8,656)	(39,003)	(36,469)
Other Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Total revenues									2,681,987	2,666,267	2,693,459
Cost of revenues									1,417,824	1,487,128	1,499,683
Selling, general and administrative									562,529	601,054	519,945
Total expenses									1,980,353	2,088,182	2,019,628
Operating income (loss)									701,634	578,085	673,831
Other income, net									6,489	1,092	5,861
Income from continuing operations before income taxes									708,123	579,177	679,692
Income taxes (benefit)									266,074	231,293	262,930
Net income (loss) from continuing operations									442,049	347,884	416,762
Net income (loss) from discontinued operations									744	(39,864)	25,980
NET INCOME									442,793	308,020	442,742
Other comprehensive income (loss)									(1,784)	(2,173)	9,392
Other comprehensive income (loss)									441,009	305,847	452,134
Eliminations
Condensed Financial Statements, Captions [Line Items]
Total revenues									(7,026)	(7,421)	0
Cost of revenues									(6,436)	(7,421)	0
Selling, general and administrative									(590)		0
Total expenses									(7,026)	(7,421)	0
Operating income (loss)											0
Other income, net									(702,011)	(576,070)	(627,703)
Income from continuing operations before income taxes									(702,011)	(576,070)	(627,703)
Income taxes (benefit)									(236,853)	(230,102)	(235,156)
Net income (loss) from continuing operations									(465,158)	(345,968)	(392,547)
Net income (loss) from discontinued operations									31,210	80,036	(13,563)
NET INCOME									(433,948)	(265,932)	(406,110)
Other comprehensive income (loss)									1,595	(912)	(9,555)
Other comprehensive income (loss)									$ (432,353)	$ (266,844)	$ (415,665)