|
Subsequent Events - Additional Information (Detail)
Share data in Millions, except Per Share data, unless otherwise specified |
1 Months Ended | 12 Months Ended | 1 Months Ended | 1 Months Ended | 2 Months Ended | 2 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Jul. 31, 2012
|
Jun. 30, 2012
|
Dec. 31, 2012
USD ($)
|
Dec. 31, 2011
USD ($)
|
Dec. 31, 2010
USD ($)
|
Dec. 31, 2009
USD ($)
|
Jan. 31, 2010
Previous CADIVI Rate [Member]
VEF
|
Dec. 31, 2012
Herbalife Venezuela [Member]
USD ($)
|
Dec. 31, 2011
Herbalife Venezuela [Member]
USD ($)
|
Feb. 19, 2013
Subsequent Event [Member]
USD ($)
|
Feb. 28, 2013
Subsequent Event [Member]
USD ($)
|
Feb. 28, 2013
Subsequent Event [Member]
SITME Rate [Member]
|
Feb. 28, 2013
Subsequent Event [Member]
Previous CADIVI Rate [Member]
VEF
|
Feb. 28, 2013
Subsequent Event [Member]
New CADIVI Rate [Member]
VEF
|
Feb. 28, 2013
Subsequent Event [Member]
CADIVI Rate [Member]
|
Feb. 19, 2013
Subsequent Event [Member]
Senior secured revolving credit facility [Member]
USD ($)
|
|
| Dividends declared per share | $ 1.20 | $ 0.73 | $ 0.45 | $ 0.30 | ||||||||||||
| Cash dividends, date payable | Mar. 19, 2013 | |||||||||||||||
| Cash dividends, record date | Mar. 05, 2013 | |||||||||||||||
| Unused available credit | $ 195,200,000 | |||||||||||||||
| Senior secured credit facility outstanding | 487,500,000 | 202,000,000 | 987,500,000 | 500,000,000 | ||||||||||||
| Repurchase of common stock | 3.9 | 5.3 | 11.0 | 5.5 | 5.7 | 4.0 | ||||||||||
| Shares repurchased through open market purchases, aggregate cost | 527,800,000 | 298,800,000 | 150,100,000 | 162,400,000 | ||||||||||||
| Average cost per share of shares repurchased | $ 47.78 | $ 54.27 | $ 26.13 | $ 40.61 | ||||||||||||
| SITME Rate for remeasurement | 5.3 | |||||||||||||||
| CADIVI rate | 4.3 | 4.3 | 6.3 | |||||||||||||
| Net monetary Bolivars denominated assets and liabilities | 82,900,000 | 26,800,000 | ||||||||||||||
| Cash and cash equivalents | $ 333,534,000 | $ 258,775,000 | $ 190,550,000 | $ 150,801,000 | $ 99,200,000 | $ 34,800,000 | ||||||||||
| Percent by which currency exchange rate was less favorable than SITME | 16.00% | |||||||||||||||