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SEGMENT INFORMATION, Revenue by Product Lines (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Revenue by Product Line [Abstract]
Revenue	$ 600,475	$ 560,209	$ 1,072,306	$ 1,103,541
Nu Skin [Member]
Revenue by Product Line [Abstract]
Revenue	365,266	351,436	655,255	694,202
Pharmanex [Member]
Revenue by Product Line [Abstract]
Revenue	234,014	207,504	414,728	406,776
Other [Member]
Revenue by Product Line [Abstract]
Revenue	$ 1,195	$ 1,269	$ 2,323	$ 2,563

X

- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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Period Type:	duration

X

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ProductOrServiceAxis=nus_PharmanexMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ProductOrServiceAxis=nus_OtherProductLinesMember
Namespace Prefix:
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Balance Type:
Period Type: