Receivables (Schedule Of Activity In The Allowance For Doubtful Accounts) (Details) - USD ($) $ in Thousands	9 Months Ended
	Jan. 31, 2018	Jan. 31, 2017
Allowance for Doubtful Accounts [Roll Forward]
Beginning balance	$ 55,296	$ 57,011
Provision	33,429	29,634
Charge-offs	(43,510)	(38,914)
Ending balance	45,215	47,731
H&R Block Emerald Advance® lines of credit
Allowance for Doubtful Accounts [Roll Forward]
Beginning balance	10,123	9,007
Provision	17,682	22,479
Charge-offs	0	0
Ending balance	27,805	31,486
All Other
Allowance for Doubtful Accounts [Roll Forward]
Beginning balance	45,173	48,004
Provision	15,747	7,155
Charge-offs	(43,510)	(38,914)
Ending balance	$ 17,410	$ 16,245