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COST OF SALES (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
COST OF SALES [Abstract]
Japan customs expense	$ 31,355	$ 0

X

- Definition

The aggregate Japan customs expense recognized in the current period. This element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

No definition available.

+ Details

Name:	nus_JapanCustomsExpense
Namespace Prefix:	nus_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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- References

No definition available.

+ Details

Name:	us-gaap_CostOfGoodsSoldAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration