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SEGMENT INFORMATION, Revenue by Product Line (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Revenue by Product Line [Abstract]
Revenue	$ 499,099	$ 471,831
Nu Skin [Member]
Revenue by Product Line [Abstract]
Revenue	301,873	289,989
Pharmanex [Member]
Revenue by Product Line [Abstract]
Revenue	196,103	180,714
Other [Member]
Revenue by Product Line [Abstract]
Revenue	$ 1,123	$ 1,128

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
Balance Type:	na
Period Type:	duration

X

- Details

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