Receivables (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Jul. 31, 2019	Apr. 30, 2019	Jul. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Document Period End Date	Jul. 31, 2019
Loans to franchisees
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans more than 90 days past due	$ 2.0		$ 1.2
H&R Block Instant RefundTM
Accounts, Notes, Loans and Financing Receivable [Line Items]
Impaired, non-accrual status term		60 days
H&R Block Emerald AdvanceTM lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Impaired, non-accrual status term		60 days