Receivables (Schedule Of Activity In The Allowance For Doubtful Accounts) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2017	Jul. 31, 2016
Allowance for Doubtful Accounts [Roll Forward]
Beginning balance	$ 55,296	$ 57,011
Provision	2,459	1,417
Charge-offs, net of recoveries	2,831	2,047
Ending balance	54,924	56,381
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	2,459	966
Charge-offs, net of recoveries	2,831	2,047
Ending balance	$ 44,801	$ 46,923