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, 2015	Jan. 31, 2015	Oct. 31, 2014	Jul. 31, 2014	Apr. 30, 2014	Jan. 31, 2014	Oct. 31, 2013	Jul. 31, 2013	Apr. 30, 2015	Apr. 30, 2014	Apr. 30, 2013
Condensed Financial Statements, Captions [Line Items]
Total revenues	$ 2,301,370	$ 509,074	$ 134,628	$ 133,586	$ 2,562,990	$ 199,770	$ 134,340	$ 127,195	$ 3,078,658	$ 3,024,295	$ 2,905,943
Cost of revenues									1,630,490	1,572,377	1,530,491
Goodwill, Impairment Loss									0	0
Selling, general and administrative									653,502	633,428	604,469
Total operating expenses									2,283,992	2,205,805	2,134,960
Other income, net									1,314	36,315	12,575
Interest expense on borrowings									(45,246)	(55,279)	(74,297)
Other expenses									(7,929)	(32,410)	(7,250)
Income from continuing operations before income taxes	1,210,059	(90,865)	(200,573)	(175,816)	1,478,797	(347,825)	(179,362)	(184,494)	742,805	767,116	702,011
Income taxes (benefit)	465,926	(55,554)	(87,346)	(66,965)	549,664	(135,074)	(76,347)	(71,224)	256,061	267,019	236,853
Net income (loss) from continuing operations	744,133	(35,311)	(113,227)	(108,851)	929,133	(212,751)	(103,015)	(113,270)	486,744	500,097	465,158
Net loss from discontinued operations, net of tax benefits of $8,125, $15,422 and $19,662	(5,292)	(1,637)	1,229	(7,381)	(19,135)	(1,960)	(1,928)	(1,917)	(13,081)	(24,940)	(31,210)
NET INCOME	738,841	(36,948)	(111,998)	(116,232)	909,998	(214,711)	(104,943)	(115,187)	473,663	475,157	433,948
Other comprehensive loss									(3,437)	(5,373)	(1,595)
Comprehensive income									470,226	469,784	432,353
H&R Block, Inc. (Guarantor)
Condensed Financial Statements, Captions [Line Items]
Other income, net									475,336	478,866	433,948
Income from continuing operations before income taxes									475,336	478,866	433,948
Income taxes (benefit)									1,673	3,709
Net income (loss) from continuing operations									473,663	475,157	433,948
Net loss from discontinued operations, net of tax benefits of $8,125, $15,422 and $19,662									0
NET INCOME									473,663	475,157	433,948
Other comprehensive loss									(3,437)	(5,373)	(1,595)
Comprehensive income									470,226	469,784	432,353
Block Financial (Issuer)
Condensed Financial Statements, Captions [Line Items]
Total revenues									226,285	235,075	230,982
Cost of revenues									96,493	124,887	119,569
Selling, general and administrative									19,053	22,505	42,530
Total operating expenses									115,546	147,392	162,099
Other income, net									2,726	20,925	5,126
Interest expense on borrowings									(44,884)	(54,892)	(73,831)
Other expenses									(953)	(12,888)	(6,290)
Income from continuing operations before income taxes									67,628	40,828	(6,112)
Income taxes (benefit)									2,602	10,551	(29,221)
Net income (loss) from continuing operations									65,026	30,277	23,109
Net loss from discontinued operations, net of tax benefits of $8,125, $15,422 and $19,662									(16,725)	(23,771)	(31,954)
NET INCOME									48,301	6,506	(8,845)
Other comprehensive loss									6,738	(2,012)	189
Comprehensive income									55,039	4,494	(8,656)
Other Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Total revenues									2,858,474	2,795,562	2,681,987
Cost of revenues									1,540,091	1,453,832	1,417,358
Selling, general and administrative									634,456	610,923	562,529
Total operating expenses									2,174,547	2,064,755	1,979,887
Other income, net									50,434	5,580	7,449
Interest expense on borrowings									(362)	(387)	(466)
Other expenses									(14,976)	(19,522)	(960)
Income from continuing operations before income taxes									719,023	716,478	708,123
Income taxes (benefit)									251,786	252,759	266,074
Net income (loss) from continuing operations									467,237	463,719	442,049
Net loss from discontinued operations, net of tax benefits of $8,125, $15,422 and $19,662									3,644	(1,169)	744
NET INCOME									470,881	462,550	442,793
Other comprehensive loss									(3,437)	(5,373)	(1,784)
Comprehensive income									467,444	457,177	441,009
Eliminations
Condensed Financial Statements, Captions [Line Items]
Total revenues									(6,101)	(6,342)	(7,026)
Cost of revenues									(6,094)	(6,342)	(6,436)
Selling, general and administrative									(7)		(590)
Total operating expenses									(6,101)	(6,342)	(7,026)
Other income, net									(527,182)	(469,056)	(433,948)
Other expenses									8,000
Income from continuing operations before income taxes									(519,182)	(469,056)	(433,948)
Net income (loss) from continuing operations									(519,182)	(469,056)	(433,948)
NET INCOME									(519,182)	(469,056)	(433,948)
Other comprehensive loss									(3,301)	7,385	1,595
Comprehensive income									$ (522,483)	$ (461,671)	$ (432,353)