Receivables (Schedule Of Activity In The Allowance For Doubtful Accounts) (Details) - USD ($) $ in Thousands	9 Months Ended
	Jan. 31, 2017	Jan. 31, 2016	Apr. 30, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for doubtful accounts	$ 47,731	$ 47,234	$ 57,011
Allowance for Doubtful Accounts [Roll Forward]
Beginning balance		54,527
Provision	29,634	36,986
Charge-offs	(38,914)	(44,279)
Ending balance		47,234
H&R Block Emerald Advance® lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for doubtful accounts	31,486		9,007
Allowance for Doubtful Accounts [Roll Forward]
Beginning balance		7,353
Provision	22,479	22,851
Charge-offs	0	0
Ending balance		30,204
All Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for doubtful accounts	16,245		$ 48,004
Allowance for Doubtful Accounts [Roll Forward]
Beginning balance		47,174
Provision	7,155	14,135
Charge-offs	$ (38,914)	(44,279)
Ending balance		$ 17,030