|
Inventories (Details) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2011
|
Dec. 31, 2010
|
|---|---|---|
| Finished goods available for resale | ||
| Total | $ 247,696 | $ 182,467 |
|
Weight Management, Targeted Nutrition and Energy, Sports and Fitness [Member]
|
||
| Finished goods available for resale | ||
| Total | 223,500 | 159,400 |
|
Outer Nutrition [Member]
|
||
| Finished goods available for resale | ||
| Total | 11,100 | 9,700 |
|
Literature, Promotional and Others [Member]
|
||
| Finished goods available for resale | ||
| Total | $ 13,100 | $ 13,400 |