Receivables (Schedule Of Activity In The Allowance For Doubtful Accounts) (Details) - USD ($) $ in Thousands	6 Months Ended
	Oct. 31, 2017	Oct. 31, 2016
Allowance for Doubtful Accounts [Roll Forward]
Beginning balance	$ 55,296	$ 57,011
Provision	4,238	1,286
Charge-offs, net of recoveries	(4,269)	(2,235)
Ending balance	55,265	56,062
H&R Block Emerald Advance® lines of credit
Allowance for Doubtful Accounts [Roll Forward]
Beginning balance	10,123	9,007
Provision	0	451
Charge-offs, net of recoveries	0	0
Ending balance	10,123	9,458
All Other
Allowance for Doubtful Accounts [Roll Forward]
Beginning balance	45,173	48,004
Provision	4,238	835
Charge-offs, net of recoveries	(4,269)	(2,235)
Ending balance	$ 45,142	$ 46,604