Document and Entity Information
Aug. 15, 2020
Cover [Abstract]  
Amendment Flag false
Entity Central Index Key 0001502034
Document Type 8-K
Document Period End Date Aug. 15, 2020
Entity Registrant Name GNC HOLDINGS, INC.
Entity Incorporation State Country Code DE
Entity File Number 001-35113
Entity Tax Identification Number 20-8536244
Entity Address, Address Line One 300 Sixth Avenue
Entity Address, City or Town Pittsburgh
Entity Address, State or Province PA
Entity Address, Postal Zip Code 15222
City Area Code (412)
Local Phone Number 288-4600
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Class A common stock, par value $0.001 per share
Trading Symbol GNCIQ
Security Exchange Name NONE
Entity Emerging Growth Company false