|
Segment Information (Details 2) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Dec. 31, 2011
|
Sep. 30, 2011
|
Jun. 30, 2011
|
Mar. 31, 2011
|
Dec. 31, 2010
|
Sep. 30, 2010
|
Jun. 30, 2010
|
Mar. 31, 2010
|
Dec. 31, 2011
|
Dec. 31, 2010
|
Dec. 31, 2009
|
|
| Net sales by product line | |||||||||||
| Net sales | $ 884,500 | $ 895,200 | $ 879,700 | $ 795,100 | $ 738,400 | $ 688,400 | $ 688,800 | $ 618,600 | $ 3,454,537 | $ 2,734,226 | $ 2,324,577 |
|
Weight Management [Member]
|
|||||||||||
| Net sales by product line | |||||||||||
| Net sales | 2,158,700 | 1,698,900 | 1,464,800 | ||||||||
|
Targeted Nutrition [Member]
|
|||||||||||
| Net sales by product line | |||||||||||
| Net sales | 789,600 | 629,200 | 493,700 | ||||||||
|
Energy, Sports and Fitness [Member]
|
|||||||||||
| Net sales by product line | |||||||||||
| Net sales | 169,800 | 121,300 | 98,700 | ||||||||
|
Outer Nutrition [Member]
|
|||||||||||
| Net sales by product line | |||||||||||
| Net sales | 147,800 | 127,500 | 128,300 | ||||||||
|
Literature, Promotional and Others [Member]
|
|||||||||||
| Net sales by product line | |||||||||||
| Net sales | $ 188,600 | $ 157,300 | $ 139,100 | ||||||||