COMMITMENTS AND CONTINGENCIES (Details) In Millions, unless otherwise specified	Mar. 31, 2014 USD ($)	Mar. 31, 2014 JPY (¥)
Loss Contingencies [Line Items]
Aggregate amount of assessments and disputed duties	$ 40.3	¥ 4,200.0

The aggregate amount of assessments and disputed duties, net of any recovery of consumption taxes.

No definition available.

Name:	nus_AggregateAmountOfAssessmentsAndDisputedDuties
Namespace Prefix:	nus_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant