Condensed Consolidating Financial Statements (Schedule Of Condensed Consolidating Balance Sheets) (Details) - USD ($) $ in Thousands	Apr. 30, 2016	Apr. 30, 2015	Apr. 30, 2014	Apr. 30, 2013
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	$ 896,801	$ 2,007,190	$ 2,185,307	$ 1,747,584
Cash & cash equivalents - restricted	104,110	91,972
Receivables, net	153,116	167,964
Deferred tax assets and income taxes receivable		174,267
Prepaid expenses and other current assets	67,138	70,283
Investments in available-for-sale securities	1,133	439,625
Total current assets	1,222,298	2,951,301
Mortgage loans held for investment, net	202,385	239,338
Fair Value	1,133	441,709
Property and equipment, at cost, less accumulated depreciation and amortization of $601,120 and $518,797	293,565	311,387
Intangible assets, net	433,885	432,142
Goodwill	470,757	441,831	436,117
Deferred tax assets and income taxes receivable	120,123	13,461
Amounts due from affiliates	0	0
Other noncurrent assets	114,762	125,960
Total assets	2,857,775	4,515,420
Customer banking deposits		744,241
Accounts payable and accrued expenses	259,586	231,322
Accrued salaries, wages and payroll taxes	161,786	144,744
Accrued income taxes	373,754	434,684
Current portion of long-term debt	826	790
Deferred revenue and other current liabilities	243,653	322,508
Total current liabilities	1,039,605	1,878,289
Deferred revenue and other noncurrent liabilities	1,501,925	505,298
Deferred tax liabilities and reserves for uncertain tax positions	132,960	142,586
Deferred revenue and other noncurrent liabilities	160,182	156,298
Total liabilities	0
Total liabilities	2,834,672	2,682,471
Common stock, no par, stated value $.01 per share, 800,000,000 shares authorized, shares issued of 260,218,666 and 316,628,110	2,602	3,166
Accumulated other comprehensive income (loss)	(11,233)	1,740	5,177	10,550
Retained earnings	40,347	1,836,442
Treasury Stock, Value	766,843	792,192
Stockholders' equity	23,103	1,832,949	1,556,549	1,263,547
Total liabilities and stockholders' equity	2,857,775	4,515,420
H&R Block, Inc. (Guarantor)
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents		0	0	0
Deferred tax assets and income taxes receivable		0
Deferred tax assets and income taxes receivable	5,917
Investments in subsidiaries	1,738,643	1,371,677
Amounts due from affiliates	0	463,434
Total assets	1,744,560	1,835,111
Accounts payable and accrued expenses	1,531	1,104
Accrued salaries, wages and payroll taxes		0
Current portion of long-term debt		0
Deferred revenue and other current liabilities		0
Total current liabilities	1,531	1,104
Deferred tax liabilities and reserves for uncertain tax positions	5,917
Total liabilities	1,714,009	1,058
Total liabilities	1,721,457	2,162
Stockholders' equity	23,103	1,832,949
Total liabilities and stockholders' equity	1,744,560	1,835,111
Block Financial (Issuer)
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	9,025	478,077	612,376	558,110
Cash & cash equivalents - restricted	29,004	45,098
Receivables, net	71,882	80,332
Deferred tax assets and income taxes receivable		77,418
Prepaid expenses and other current assets	8,622	7,771
Investments in available-for-sale securities		434,924
Total current assets	118,533	1,123,620
Mortgage loans held for investment, net	202,385	239,338
Property and equipment, at cost, less accumulated depreciation and amortization of $601,120 and $518,797	136	218
Deferred tax assets and income taxes receivable	77,270	44,788
Amounts due from affiliates	1,307,612	134,094
Other noncurrent assets	71,659	81,075
Total assets	1,777,595	1,623,133
Customer banking deposits		744,681
Accounts payable and accrued expenses	18,596	7,672
Accrued salaries, wages and payroll taxes	1,766	1,946
Accrued income taxes	52,976	49,529
Current portion of long-term debt		0
Deferred revenue and other current liabilities	87,982	177,063
Total current liabilities	161,320	980,891
Deferred revenue and other noncurrent liabilities	1,495,316	497,893
Deferred tax liabilities and reserves for uncertain tax positions	10,786	25,696
Deferred revenue and other noncurrent liabilities	1,178	1,783
Total liabilities	1,668,600	1,506,263
Stockholders' equity	108,995	116,870
Total liabilities and stockholders' equity	1,777,595	1,623,133
Other Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	887,776	1,529,553	1,574,031	1,192,197
Cash & cash equivalents - restricted	75,106	46,874
Receivables, net	81,234	87,632
Deferred tax assets and income taxes receivable		96,849
Prepaid expenses and other current assets	58,516	62,512
Investments in available-for-sale securities	1,133	4,701
Total current assets	1,103,765	1,828,121
Property and equipment, at cost, less accumulated depreciation and amortization of $601,120 and $518,797	293,429	311,169
Intangible assets, net	433,885	432,142
Goodwill	470,757	441,831
Deferred tax assets and income taxes receivable	36,936	0
Investments in subsidiaries	108,995	116,870
Amounts due from affiliates	1,714,009	1,058
Other noncurrent assets	43,103	44,885
Total assets	4,204,879	3,176,076
Accounts payable and accrued expenses	239,459	222,546
Accrued salaries, wages and payroll taxes	160,020	142,798
Accrued income taxes	320,778	385,155
Current portion of long-term debt	826	790
Deferred revenue and other current liabilities	155,671	145,445
Total current liabilities	876,754	896,734
Deferred revenue and other noncurrent liabilities	6,609	7,405
Deferred tax liabilities and reserves for uncertain tax positions	116,257	148,217
Deferred revenue and other noncurrent liabilities	159,004	154,515
Total liabilities	1,307,612	597,528
Total liabilities	2,466,236	1,804,399
Stockholders' equity	1,738,643	1,371,677
Total liabilities and stockholders' equity	4,204,879	3,176,076
Eliminations
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	0	(440)	$ (1,100)	$ (2,723)
Total current assets	0	(440)
Deferred tax assets and income taxes receivable		(31,327)
Investments in subsidiaries	(1,847,638)	(1,488,547)
Amounts due from affiliates	(3,021,621)	(598,586)
Total assets	(4,869,259)	(2,118,900)
Customer banking deposits		(440)
Total current liabilities		(440)
Deferred tax liabilities and reserves for uncertain tax positions		(31,327)
Total liabilities	(3,021,621)	(598,586)
Total liabilities	(3,021,621)	(630,353)
Stockholders' equity	(1,847,638)	(1,488,547)
Total liabilities and stockholders' equity	$ (4,869,259)	$ (2,118,900)