|
Segment Information - Schedule of Entity-Wide Information, Revenue from External Customers by Products and Services (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2014
|
Jun. 30, 2013
|
Jun. 30, 2014
|
Jun. 30, 2013
|
|
| Revenue from External Customer [Line Items] | ||||
| Net sales | $ 1,306,200 | $ 1,219,239 | $ 2,568,849 | $ 2,342,886 |
|
Weight Management [Member]
|
||||
| Revenue from External Customer [Line Items] | ||||
| Net sales | 843,500 | 778,200 | 1,651,100 | 1,489,800 |
|
Targeted Nutrition [Member]
|
||||
| Revenue from External Customer [Line Items] | ||||
| Net sales | 286,100 | 277,500 | 570,100 | 534,400 |
|
Energy, Sports and Fitness [Member]
|
||||
| Revenue from External Customer [Line Items] | ||||
| Net sales | 68,900 | 65,100 | 135,600 | 123,400 |
|
Outer Nutrition [Member]
|
||||
| Revenue from External Customer [Line Items] | ||||
| Net sales | 47,000 | 37,800 | 86,700 | 76,000 |
|
Literature, promotional and other [Member]
|
||||
| Revenue from External Customer [Line Items] | ||||
| Net sales | $ 60,700 | $ 60,600 | $ 125,300 | $ 119,300 |