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SUBSEQUENT EVENT (Details) (Subsequent Event [Member], Multi-currency uncommitted shelf facility [Member], USD $) In Millions, unless otherwise specified	0 Months Ended
	May 06, 2014	Mar. 31, 2014
Subsequent Event [Line Items]
Restricted payments covenant threshold for making dividend payments or stock repurchases		$ 100.0
Interest rate (in hundredths)	0.75%
Commitment fee (in hundredths)	0.25%
Reduction in commitment amount		15.0
Quarter Ending March 31 2014 [Member]
Subsequent Event [Line Items]
Restricted payments covenant threshold for making dividend payments or stock repurchases	50.0
Quarter Ending June 30, 2014 [Member]
Subsequent Event [Line Items]
Restricted payments covenant threshold for making dividend payments or stock repurchases	100.0
Quarter Ending September 30, 2014 [Member]
Subsequent Event [Line Items]
Restricted payments covenant threshold for making dividend payments or stock repurchases	$ 50.0

X

- Definition

The fifth amendment to the credit facility reduces the commitment fee amount.

+ References

No definition available.

+ Details

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Namespace Prefix:	nus_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The threshold for making dividend payments or stock repurchases defined in the restricted payments covenant under the amended and restated note purchase and private shelf agreement (multi-currency), dated as of May 25, 2012, among the Company, Prudential Investment Management, Inc. and certain other purchasers, as amended (the "Prudential Agreement") and the amended and restated credit agreement, dated as of May 25, 2012, among the Company, various financial institutions, and JPMorgan Chase Bank, N.A. as administrative agent (the "JPMC Agreement").

+ References

No definition available.

+ Details

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Namespace Prefix:	nus_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

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Period Type:	duration