Quarterly report pursuant to Section 13 or 15(d)

Contingencies - Additional Information (Detail)

v3.7.0.1
Contingencies - Additional Information (Detail) - USD ($)
 6 Months Ended
Jun. 30, 2017
Dec. 31, 2016
Dec. 29, 2016
Jul. 31, 2016
Jan. 31, 2016
May 31, 2013
May 10, 2013
May 07, 2010
Sep. 30, 2009
Loss Contingencies [Line Items]                  
Surety bond through insurance company to guarantee payment of tax assessment $ 17,900,000                
Other assets 361,900,000 $ 324,900,000              
Prepaid expenses and other current assets 177,000,000 $ 176,900,000              
Deductible for product liability insurance 15,000,000                
Herbalife International of America, Inc., [Member] | U.S. Federal Trade Commission [Member]                  
Loss Contingencies [Line Items]                  
Settlement amount paid for consent order $ 200,000,000                
Third-party monitoring by independent compliance auditor, period 7 years                
Implement of new and enhance existing procedures, period 10 months                
Federal Revenue Office of Brazil [Member]                  
Loss Contingencies [Line Items]                  
Assessment amount from tax administration service         $ 5,300,000       $ 2,100,000
Mexican Tax Administration Service [Member]                  
Loss Contingencies [Line Items]                  
Assessment amount from tax administration service             $ 16,200,000 $ 63,000,000  
Other assets current and non current $ 47,600,000                
Other assets 40,700,000                
Prepaid expenses and other current assets 6,900,000                
Loss related to other assets 0                
Brazilian ICMS [Member]                  
Loss Contingencies [Line Items]                  
Assessment amount from tax administration service 6,900,000                
Surety bond through insurance company to guarantee payment of tax assessment 12,600,000                
Other assets current and non current 17,000,000                
Other assets 9,000,000                
Prepaid expenses and other current assets 8,000,000                
Brazilian ICMS [Member] | State of Sao Paulo [Member]                  
Loss Contingencies [Line Items]                  
Assessment amount from tax administration service       $ 48,600,000          
Indian VAT Authorities [Member]                  
Loss Contingencies [Line Items]                  
Assessment amount from tax administration service $ 8,200,000                
South Korean Customs Authority [Member] | Other Noncurrent Assets [Member]                  
Loss Contingencies [Line Items]                  
Assessment amount from tax administration service           $ 31,400,000      
Greek Social Security Agency [Member]                  
Loss Contingencies [Line Items]                  
Assessment amount from tax administration service     $ 2,300,000