Annual report pursuant to Section 13 and 15(d)

Contingencies - Additional Information (Detail)

v3.3.1.900
Contingencies - Additional Information (Detail)
Person in Millions
 12 Months Ended
Dec. 31, 2015
USD ($)
Person
Jan. 31, 2016
USD ($)
Jan. 12, 2016
USD ($)
Dec. 31, 2014
USD ($)
May. 10, 2013
USD ($)
May. 07, 2010
USD ($)
Sep. 30, 2009
USD ($)
Loss Contingencies [Line Items]              
Deductible for product liability insurance $ 15,000,000            
Surety bond through insurance company to guarantee payment of tax assessment 18,400,000            
Other assets $ 141,100,000     $ 154,900,000      
Terms of settlement agreement Under the terms of the settlement, the Company would (i) pay $15 million into a fund to be distributed to qualified claimants and (ii) accept up to a maximum amount of $2.5 million in product returns from qualified claimants. The court granted preliminary approval of the settlement on December 2, 2014 and conditionally certified a class. The court granted final approval of the settlement on May 14, 2015 and the final judgment was entered June 19, 2015.            
Bostick, et al., v. Herbalife Int'l of Am., Inc., et al. [Member]              
Loss Contingencies [Line Items]              
Payment to qualified claimants $ 15,000,000            
Amount of product returns from qualified claimants $ 2,500,000            
United States [Member]              
Loss Contingencies [Line Items]              
Number of persons in settlement class | Person 1.5            
Federal Revenue Office of Brazil [Member]              
Loss Contingencies [Line Items]              
Tax assessment received relating to withholding/contributions to Company's Members during 2004             $ 2,000,000
Subsequent Event [Member] | Federal Revenue Office of Brazil [Member]              
Loss Contingencies [Line Items]              
Assessment amount from tax administration service   $ 4,500,000          
Mexican Tax Administration Service [Member]              
Loss Contingencies [Line Items]              
Assessment amount from tax administration service $ 14,000,000       $ 16,900,000 $ 66,000,000  
Other assets current and non current 57,100,000            
Other assets 48,400,000            
Prepaid expense and other current assets 8,700,000            
Loss related to other assets 0            
Brazilian ICMS [Member]              
Loss Contingencies [Line Items]              
Assessment amount from tax administration service 7,000,000            
Other assets 14,700,000            
Loss related to other assets 0            
Issuance of surety bond 8,900,000            
Indian VAT Authorities [Member]              
Loss Contingencies [Line Items]              
Assessment amount from tax administration service $ 3,600,000            
South Korean Tax Authority [Member] | Subsequent Event [Member]              
Loss Contingencies [Line Items]              
Assessment amount from tax administration service     $ 3,600,000