THE COMPANY (Details)	3 Months Ended
Mar. 31, 2015 Region
THE COMPANY [Abstract]
Number of geographic regions	5nus_NumberOfGeographicRegions

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

No definition available.

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