XML 64 R1.htm IDEA: XBRL DOCUMENT v3.20.1
Document and Entity Information - USD ($)
$ in Millions
 12 Months Ended
Apr. 30, 2020
May 31, 2020
Oct. 31, 2019
Entity Listings [Line Items]      
Entity Registrant Name JOHN WILEY & SONS, INC.    
Entity Central Index Key 0000107140    
Current Fiscal Year End Date --04-30    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Shell Company false    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Public Float     $ 2,040
Document Type 10-K    
Amendment Flag false    
Document Period End Date Apr. 30, 2020    
Document Fiscal Year Focus 2020    
Document Fiscal Period Focus FY    
Document Annual Report true    
Document Transition Report false    
Entity File Number 001-11507    
Entity Tax Identification Number 13-5593032    
Entity Incorporation, State or Country Code NY    
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    
Common Stock 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 Stock 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