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Document and Entity Information
Jul. 22, 2021
Oct. 22, 2020
Cover [Abstract]    
Document Type 8-K  
Document Period End Date Jul. 22, 2021  
Entity Registrant Name HERC HOLDINGS INC.  
Entity Incorporation, State or Country Code DE  
Entity File Number 001-33139  
Entity Tax Identification Number 20-3530539  
Entity Address, Address Line One 27500 Riverview Center Blvd  
Entity Address, City or Town Bonita Springs  
Entity Address, State or Province FL  
Entity Address, Postal Zip Code 34134  
City Area Code 239  
Local Phone Number 301-1000  
Written Communications false  
Soliciting Material false  
Pre-commencement Tender Offer false  
Pre-commencement Issuer Tender Offer false  
Title of 12(b) Security Common Stock, par value $0.01 per share  
Trading Symbol HRI  
Security Exchange Name NYSE  
Entity Emerging Growth Company false  
Entity Central Index Key   0001364479
Amendment Flag   false