RECEIVABLES (Schedule of Short-Term Receivables) (Details) - USD ($) $ in Thousands	Jan. 31, 2020	Apr. 30, 2019	Jan. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term	$ 819,946	$ 138,965	$ 758,217
Long-term	54,048	55,639	58,517
Loans to franchisees
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term	36,372	22,427	28,941
Long-term	42,079	35,325	41,669
Receivables for U.S. assisted and DIY tax preparation and related fees
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term	316,987	34,284	281,266
Long-term	3,716	3,716	5,503
H&R Block Instant RefundTM receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term	6,733	37,319	5,822
Long-term	563	1,701	247
H&R Block Emerald AdvanceTM lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term	373,271	8,546	362,400
Long-term	6,179	12,418	7,667
Software receivables from retailers
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term	8,101	9,354	8,396
Long-term	0	0	0
Royalties and other receivables from franchisees
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term	55,645	11,888	54,907
Long-term	67	97	733
Wave payment processing receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term	3,363	0	0
Long-term	0	0	0
Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term	19,474	15,147	16,485
Long-term	$ 1,444	$ 2,382	$ 2,698