| 
           Basis of Presentation (Details Textual) 
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        1 Months Ended | 3 Months Ended | 12 Months Ended | 1 Months Ended | 2 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 2 Months Ended | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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           Jan. 31, 2010
 
          VEF 
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           Dec. 31, 2009
 
          USD ($) 
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           Dec. 31, 2009
 
          VEF 
         | 
        
           Dec. 31, 2011
 
          USD ($)
 
          Y 
         | 
        
           Dec. 31, 2010
 
          USD ($) 
         | 
        
           Dec. 31, 2009
 
          USD ($) 
         | 
        
           Dec. 31, 2011
 
          VEF 
         | 
        
           May 10, 2011 
         | 
        
           Apr. 28, 2011 
         | 
        
           Dec. 31, 2010
 
          VEF 
         | 
        
           Dec. 31, 2008
 
          USD ($) 
         | 
        
           Jun. 30, 2010
 
          Herbalife Venezuela's [Member]
 
          USD ($) 
         | 
        
           Feb. 28, 2011
 
          Herbalife Venezuela's [Member]
 
          USD ($) 
         | 
        
           Feb. 28, 2011
 
          Herbalife Venezuela's [Member]
 
          VEF 
         | 
        
           Mar. 31, 2011
 
          Herbalife Venezuela's [Member]
 
          USD ($) 
         | 
        
           Jun. 30, 2010
 
          Herbalife Venezuela's [Member]
 
          USD ($) 
         | 
        
           Dec. 31, 2009
 
          Herbalife Venezuela's [Member]
 
          USD ($) 
         | 
        
           Dec. 31, 2011
 
          Herbalife Venezuela's [Member]
 
          USD ($) 
         | 
        
           Dec. 31, 2010
 
          Herbalife Venezuela's [Member]
 
          USD ($) 
         | 
        
           Dec. 31, 2009
 
          Herbalife Venezuela's [Member]
 
          USD ($) 
         | 
        
           Dec. 31, 2009
 
          Herbalife Venezuela's [Member]
 
          VEF 
         | 
        
           Dec. 31, 2011
 
          Herbalife Venezuela's [Member]
 
          VEF 
         | 
        
           Dec. 31, 2010
 
          Herbalife Venezuela's [Member]
 
          VEF 
         | 
        
           Jun. 30, 2010
 
          Herbalife Venezuela's [Member]
 
          VEF 
         | 
        
           May 31, 2010
 
          Herbalife Venezuela's [Member]
 
          VEF 
         | 
        
           Jun. 30, 2010
 
          Herbalife Venezuela's [Member]
 
          General and Administrative Expense [Member]
 
          USD ($) 
         | 
        
           Dec. 31, 2010
 
          Herbalife Venezuela's [Member]
 
          General and Administrative Expense [Member]
 
          USD ($) 
         | 
        
           Feb. 28, 2011
 
          Herbalife Venezuela's [Member]
 
          United States [Member]
 
          USD ($) 
         | 
        
           Feb. 28, 2011
 
          Herbalife Venezuela's [Member]
 
          United States [Member]
 
          VEF 
         | 
      |
| Basis of Presentation (Textual) [Abstract] | |||||||||||||||||||||||||||||
| Conversion resulted net pre-tax loss | $ 11,400,000 | $ 7,300,000 | $ 7,700,000 | $ 15,100,000 | |||||||||||||||||||||||||
| SITME can only be used for amount per day | 50,000 | ||||||||||||||||||||||||||||
| SITME can only be used for amount Per Month | 350,000 | ||||||||||||||||||||||||||||
| Period to use denominated bonds | 90 days | ||||||||||||||||||||||||||||
| Subsidiary's net sales to Company's consolidated net sales, percentage | less than 2% | less than 2% | less than 4 % | less than 4 % | |||||||||||||||||||||||||
| Subsidiary's total assets to Company's consolidated total assets, percentage | less than 3% | less than 3% | |||||||||||||||||||||||||||
| Net foreign exchange loss (pre-tax) | 1,300,000 | 1,200,000 | |||||||||||||||||||||||||||
| Payments to acquire US denominated bonds | 16,300,000 | 86,000,000 | |||||||||||||||||||||||||||
| Proceeds from sale of US denominated bonds | 15,000,000 | ||||||||||||||||||||||||||||
| Average effective conversion rate | 5.7 | 5.4 | |||||||||||||||||||||||||||
| Intercompany shipment payables settled | 13,600,000 | ||||||||||||||||||||||||||||
| Incremental costs related to the importation of products | 12,700,000 | 18,800,000 | |||||||||||||||||||||||||||
| Foreign currency denominated cash and cash equivalents | 5,900,000 | 5,900,000 | |||||||||||||||||||||||||||
| Market exchange rate for remeasurement of cash and cash equivalents | 5.9 | ||||||||||||||||||||||||||||
| Official exchange rate for translation of cash and cash equivalents | 2.15 | ||||||||||||||||||||||||||||
| Cash and cash equivalents | 150,801,000 | 258,775,000 | 190,550,000 | 150,801,000 | 150,847,000 | 34,200,000 | 34,200,000 | 34,800,000 | 24,600,000 | ||||||||||||||||||||
| Part of cash and cash equivalent reduced | 12,500,000 | 12,500,000 | |||||||||||||||||||||||||||
| Cash and cash equivalents dominated in domestic currency | 15,800,000 | 15,800,000 | |||||||||||||||||||||||||||
| Cash and cash equivalents dominated in foreign currency | 18,400,000 | 18,400,000 | |||||||||||||||||||||||||||
| Amount of cash and cash equivalent greater than the amount in domestic currency denominated bank account | 9,900,000 | 9,900,000 | 9,900,000 | 9,900,000 | |||||||||||||||||||||||||
| SITME rate for remeasurement | 5.3 | 5.3 | 5.3 | 5.3 | |||||||||||||||||||||||||
| Net monetary Bolivar denominated assets and liabilities | 26,800,000 | 19,400,000 | |||||||||||||||||||||||||||
| Face value of US denominated bonds | 20,000,000 | ||||||||||||||||||||||||||||
| Percentage of cumulative inflation rate | 100.00% | 100.00% | 100.00% | ||||||||||||||||||||||||||
| Net (post-tax) foreign exchange gain | 2,600,000 | ||||||||||||||||||||||||||||
| Parallel market rate | 8.3 | ||||||||||||||||||||||||||||
| Increase in cash & cash equivalents as result of SITME rate | 5,200,000 | ||||||||||||||||||||||||||||
| Outstanding intercompany shipment payable balance | 100,000 | 2,600,000 | |||||||||||||||||||||||||||
| Official conversion rate for non-essential items | 4.3 | ||||||||||||||||||||||||||||
| Official conversion rate for essential items | 2.6 | ||||||||||||||||||||||||||||
| Net foreign exchange gain (pre-tax) | 4,000,000 | 5,800,000 | |||||||||||||||||||||||||||
| Intercompany dividend payable | 2,500,000 | ||||||||||||||||||||||||||||
| Basis of Presentation (Additional Textual) [Abstract] | |||||||||||||||||||||||||||||
| Basis of shares approved by shareholders | Two-for-one stock split | ||||||||||||||||||||||||||||
| Number of additional shares distributed to Company's shareholders for each share | 1 | ||||||||||||||||||||||||||||
| Receivables from credit card company | 65,100,000 | 51,400,000 | |||||||||||||||||||||||||||
| Depreciation and amortization of property, plant and equipment | 68,900,000 | 67,700,000 | 62,200,000 | ||||||||||||||||||||||||||
| Marketing related intangibles and other intangible assets, net | 310,000,000 | 310,000,000 | 310,000,000 | 310,000,000 | |||||||||||||||||||||||||
| Goodwill | 102,500,000 | 105,490,000 | 102,899,000 | 102,500,000 | |||||||||||||||||||||||||
| Increase in goodwill due to acquisitions | 2,600,000 | 400,000 | |||||||||||||||||||||||||||
| Intangible assets with finite lives | 1,700,000 | 1,700,000 | 800,000 | 1,700,000 | |||||||||||||||||||||||||
| Amortization expense for finite life intangible assets | 600,000 | 900,000 | 200,000 | ||||||||||||||||||||||||||
| Future Amortization Expense for 2012 | 600,000 | ||||||||||||||||||||||||||||
| Future Amortization Expense for 2013 | 400,000 | ||||||||||||||||||||||||||||
| Future Amortization Expense for 2014 | 300,000 | ||||||||||||||||||||||||||||
| Future Amortization Expense for 2015 | 300,000 | ||||||||||||||||||||||||||||
| Future Amortization Expense for 2016 | 100,000 | ||||||||||||||||||||||||||||
| Warrant outstanding | 500,000 | ||||||||||||||||||||||||||||
| Exercise price of warrants | $ 7.75 | ||||||||||||||||||||||||||||
| Equity Grants, Outstanding | 2,100,000 | 1,500,000 | 5,600,000 | ||||||||||||||||||||||||||
| Period of receiving anticipated returns | 12 months | ||||||||||||||||||||||||||||
| Amount for exchange foreign currency into domestic currency | $ 19,500,000 | 105,000,000 | |||||||||||||||||||||||||||
| Intangible assets with finite lives are amortized over their expected lives | 5 | ||||||||||||||||||||||||||||