Quarterly report pursuant to Section 13 or 15(d)

Contingencies - Additional Information (Detail)

v3.23.3
Contingencies - Additional Information (Detail)
$ in Millions
 1 Months Ended 3 Months Ended 9 Months Ended
Apr. 13, 2023
USD ($)
Aug. 23, 2018
Plaintiff
Oct. 31, 2022
USD ($)
Sep. 30, 2023
USD ($)
Sep. 30, 2022
USD ($)
Sep. 30, 2023
USD ($)
Sep. 30, 2022
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Aug. 31, 2017
USD ($)
Loss Contingencies [Line Items]                      
Other assets       $ 288.4   $ 288.4   $ 273.6      
Prepaid expenses and other current assets       274.1   274.1   196.8      
Current assets       1,346.1   1,346.1   $ 1,356.1      
Assessment amount from tax administration service       11.3   11.3          
Selling, general, and administrative expenses [1]       455.3 $ 448.2 1,391.7 $ 1,373.1        
Deductible for product liability insurance           12.5          
Settlement amount           12.5          
Deposit into settlement fund $ 12.5                    
Surety Bond [Member]                      
Loss Contingencies [Line Items]                      
Surety bond       43.0   43.0          
Putative Class Plaintiffs [Member]                      
Loss Contingencies [Line Items]                      
Number of plaintiffs | Plaintiff   4                  
Pending Litigation due to Plaintiffs Arbitration [Member]                      
Loss Contingencies [Line Items]                      
Number of plaintiffs | Plaintiff   4                  
SEC and DOJ Investigation [Member]                      
Loss Contingencies [Line Items]                      
Accrued liability       123.0   $ 123.0          
Loss contingency compliance self-reporting obligations term           three-year          
Herbalife International of America, Inc., [Member] | U.S. Federal Trade Commission [Member]                      
Loss Contingencies [Line Items]                      
Settlement amount paid for consent order           $ 200.0          
Third-party monitoring by independent compliance auditor, period           7 years          
Audit Period Fiscal Year March 31, 2017 [Member]                      
Loss Contingencies [Line Items]                      
Assessment amount from tax administration service       17.5   $ 17.5          
Audit Period Fiscal Year March 31 2018 [Member]                      
Loss Contingencies [Line Items]                      
Assessment amount from tax administration service       17.0   17.0          
Audit Period Fiscal Year March 31, 2020 [Member]                      
Loss Contingencies [Line Items]                      
Assessment amount from tax administration service       14.7   14.7          
Audit Period Fiscal Year March 31, 2021 [Member]                      
Loss Contingencies [Line Items]                      
Assessment amount from tax administration service       16.6   16.6          
Selling, General and Administrative Expenses [Member] | SEC and DOJ Investigation [Member]                      
Loss Contingencies [Line Items]                      
Accrued liability                 $ 83.0 $ 40.0  
Mexican Tax Administration Service [Member]                      
Loss Contingencies [Line Items]                      
Other assets       16.3   16.3          
Prepaid expenses and other current assets       7.7   7.7          
Other assets current and non current       8.6   8.6          
Brazilian ICMS [Member]                      
Loss Contingencies [Line Items]                      
Assessment amount from tax administration service       3.6   3.6          
Surety bond through insurance company to guarantee payment of tax assessment       12.5   12.5          
Brazilian ICMS [Member] | State of Sao Paulo [Member]                      
Loss Contingencies [Line Items]                      
Assessment amount from tax administration service       32.0   32.0         $ 11.9
Brazilian ICMS [Member] | State of Rio de Janeiro [Member]                      
Loss Contingencies [Line Items]                      
Assessment amount from tax administration service       7.0   7.0          
Indian VAT Authorities [Member]                      
Loss Contingencies [Line Items]                      
Assessment amount from tax administration service       12.4   12.4          
South Korean Customs Authority [Member]                      
Loss Contingencies [Line Items]                      
Current assets       30.0   30.0          
Refund Assessed Amount     $ 25.0                
South Korean Customs Authority [Member] | Audit Period January 2011 through May 2013 [Member]                      
Loss Contingencies [Line Items]                      
Assessment amount from tax administration service       6.7   6.7          
South Korean Customs Authority [Member] | Audit Period May 2013 Through December 2017 [Member]                      
Loss Contingencies [Line Items]                      
Assessment amount from tax administration service       32.6   32.6          
South Korean Customs Authority [Member] | Audit Period January 2011 Through December 2017 [Member]                      
Loss Contingencies [Line Items]                      
Assessment amount from tax administration service       8.6   8.6          
Selling, general, and administrative expenses           8.6          
South Korean Customs Authority [Member] | Other Noncurrent Assets [Member] | Audit Period January 2011 through May 2013 [Member]                      
Loss Contingencies [Line Items]                      
Assessment amount from tax administration service       $ 25.0   $ 25.0          
[1] Contribution margin consists of net sales less cost of sales and Royalty overrides. For the China segment, contribution margin does not include the portion of service fees to China independent service providers included in selling, general, and administrative expenses, which totaled $45.6 million and $55.3 million for the three months ended September 30, 2023 and 2022, respectively, and $123.8 million and $161.7 million for the nine months ended September 30, 2023 and 2022, respectively.