Revenue Recognition (Disaggregation of Revenue) (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2020	Apr. 30, 2019	Apr. 30, 2018
Disaggregation of Revenue [Line Items]
Revenues	$ 2,639,720	$ 3,094,881	$ 3,159,931
U.S. assisted tax preparation
Disaggregation of Revenue [Line Items]
Revenues	1,533,303	1,858,998	1,947,160
U.S. royalties
Disaggregation of Revenue [Line Items]
Revenues	193,411	243,541	245,444
U.S. DIY tax preparation
Disaggregation of Revenue [Line Items]
Revenues	208,901	261,413	243,159
International
Disaggregation of Revenue [Line Items]
Revenues	180,065	220,562	227,266
Refund Transfers
Disaggregation of Revenue [Line Items]
Revenues	154,687	169,985	171,959
Emerald Card®
Disaggregation of Revenue [Line Items]
Revenues	92,737	98,256	102,640
Peace of Mind® Extended Service Plan
Disaggregation of Revenue [Line Items]
Revenues	105,185	108,114	101,572
Revenues from Tax Identity Shield®
Disaggregation of Revenue [Line Items]
Revenues	31,797	35,661	28,823
Interest and fee income on Emerald AdvanceTM
Disaggregation of Revenue [Line Items]
Revenues	60,867	58,182	56,986
Wave HQ Inc.
Disaggregation of Revenue [Line Items]
Revenues		0	0
Other
Disaggregation of Revenue [Line Items]
Revenues	$ 42,056	$ 40,169	$ 34,922