RECEIVABLES (Schedule of Short-Term Receivables) (Details) - USD ($) $ in Thousands	Oct. 31, 2020	Apr. 30, 2020	Oct. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term	$ 71,253	$ 133,197	$ 74,710
Long-term	51,791	51,717	59,246
Loans to franchisees
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term	15,147	25,397	23,554
Long-term	36,446	31,329	43,322
Receivables for U.S. assisted and DIY tax preparation and related fees
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term	22,883	47,030	18,531
Long-term	3,111	3,112	3,716
H&R Block Instant RefundTM receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term	531	15,031	530
Long-term	1,451	1,325	695
H&R Block Emerald Advance® lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term	8,699	10,001	8,073
Long-term	9,302	14,081	9,201
Software receivables from retailers
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term	1,532	7,341	970
Long-term	0	0	0
Royalties and other receivables from franchisees
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term	5,964	9,861	8,094
Long-term	0	42	147
Wave payment processing receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term	2,695	3,200	3,041
Long-term	0	0	0
Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term	13,802	15,336	11,917
Long-term	$ 1,481	$ 1,828	$ 2,165