Receivables (Schedule of Short-Term Receivables) (Details) - USD ($) $ in Thousands	Oct. 31, 2019	Apr. 30, 2019	Oct. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term	$ 74,710	$ 138,965	$ 61,286
Long-term	59,246	55,639	60,529
Loans to franchisees
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term	23,554	22,427	26,964
Long-term	43,322	35,325	38,489
Receivables for U.S. assisted and DIY tax preparation and related fees
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term	18,531	34,284	6,033
Long-term	3,716	3,716	5,503
H&R Block Instant RefundTM receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term	530	37,319	0
Long-term	695	1,701	2,008
H&R Block Emerald AdvanceTM lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term	8,073	8,546	7,418
Long-term	9,201	12,418	10,988
Software receivables from retailers
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term	970	9,354	552
Long-term	0	0	0
Royalties and other receivables from franchisees
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term	8,094	11,888	9,103
Long-term	147	97	710
Wave payment processing receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term	3,041	0	0
Long-term	0	0	0
Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term	11,917	15,147	11,216
Long-term	$ 2,165	$ 2,382	$ 2,831