Receivables (Schedule Of Short-Term Receivables) (Details) - USD ($) $ in Thousands	Apr. 30, 2021	Apr. 30, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, net, Short Term	$ 197,876	$ 133,197
Receivables, net, Long Term	52,689	51,717
Loans to franchisees
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, net, Short Term	16,666	25,397
Receivables, net, Long Term	28,909	31,329
Receivables for U.S. assisted and DIY tax preparation and related fees
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, net, Short Term	92,531	47,030
Receivables, net, Long Term	3,793	3,112
H&R Block Instant RefundSM receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, net, Short Term	35,665	15,031
Receivables, net, Long Term	1,463	1,325
H&R Block Emerald Advance® lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, net, Short Term	9,210	10,001
Receivables, net, Long Term	17,095	14,081
Software receivables from retailers
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, net, Short Term	4,823	7,341
Receivables, net, Long Term	0	0
Royalties and other receivables from franchisees
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, net, Short Term	16,136	9,861
Receivables, net, Long Term	196	42
Wave payment processing receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, net, Short Term	1,569	3,200
Receivables, net, Long Term	0	0
Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, net, Short Term	21,276	15,336
Receivables, net, Long Term	$ 1,233	$ 1,828