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THE COMPANY (Details)	9 Months Ended
THE COMPANY (Details)	Sep. 30, 2011
THE COMPANY [Abstract]
Number of geographic regions	5

X

- Definition

The number of geographic regions in which the Entity reports revenue.

+ Details

Name:	nus_NumberOfGeographicRegions
Namespace Prefix:	nus
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix:	us-gaap
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration