Document And Entity Information - shares	3 Months Ended
	Jul. 31, 2015	Aug. 31, 2015
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jul. 31, 2015
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q1
Entity Registrant Name	H&R BLOCK INC
Entity Central Index Key	0000012659
Current Fiscal Year End Date	--04-30
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		276,359,906