John Wiley & Sons (WLY) 10-K/A 4 Sep 20 2020 FY Annual report (amended) Financial data

Document and Entity Information

Document and Entity Information - USD ($) $ in Millions	12 Months Ended
	Apr. 30, 2020	May 31, 2020	Oct. 31, 2019
Entity Listings [Line Items]
Document Type	10-K/A
Amendment Flag	false
Document Period End Date	Apr. 30, 2020
Current Fiscal Year End Date	--04-30
Document Transition Report	false
Entity Registrant Name	JOHN WILEY & SONS, INC.
Entity Incorporation, State or Country Code	NY
Entity File Number	001-11507
Entity Tax Identification Number	13-5593032
Entity Address, Address Line One	111 River Street
Entity Address, City or Town	Hoboken
Entity Address, State or Province	NJ
Entity Address, Postal Zip Code	07030
City Area Code	201
Local Phone Number	748-6000
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Filer Category	Large Accelerated Filer
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Small Business	false
Entity Public Float			$ 2,040
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
Entity Central Index Key	0000107140
Document Annual Report	true
Common Class A [Member]
Entity Listings [Line Items]
Entity Common Stock, Shares Outstanding		46,767,784
Title of 12(b) Security	Class A Common Stock, par value $1.00 per share
Trading Symbol	JW.A
Security Exchange Name	NYSE
Common Class B [Member]
Entity Listings [Line Items]
Entity Common Stock, Shares Outstanding		9,094,674
Title of 12(b) Security	Class B Common Stock, par value $1.00 per share
Trading Symbol	JW.B
Security Exchange Name	NYSE