Consolidated interest coverage ratio that must be maintained under the Credit Agreement.

No definition available.

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- Definition

Consolidated leverage ratio that must be maintained under the Credit Agreement.

+ References

No definition available.

+ Details

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- Definition

The annual required amortization percentage applied to principal.

+ References

No definition available.

+ Details

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Namespace Prefix:	nus_
Data Type:	num:percentItemType
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Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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

- References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Details

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- Details

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- Details

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- Details

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- Details

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Debt, Credit Agreement (Details) - USD ($) $ in Millions	3 Months Ended
Debt, Credit Agreement (Details) - USD ($) $ in Millions	Mar. 31, 2020	Apr. 18, 2018
Credit Agreement [Member] \| Maximum [Member]
Debt [Abstract]
Consolidated leverage ratio	2.25
Credit Agreement [Member] \| Minimum [Member]
Debt [Abstract]
Consolidated interest coverage ratio	3.00
Term Loan Facility [Member]
Debt [Abstract]
Original principal amount	$ 400.0	$ 400.0
Term of loan	5 years
Term Loan Facility [Member] \| First Year [Member]
Debt [Abstract]
Annual amortization percentage	5.00%
Term Loan Facility [Member] \| Second Year [Member]
Debt [Abstract]
Annual amortization percentage	5.00%
Term Loan Facility [Member] \| Third Year [Member]
Debt [Abstract]
Annual amortization percentage	7.50%
Term Loan Facility [Member] \| Fourth Year [Member]
Debt [Abstract]
Annual amortization percentage	7.50%
Term Loan Facility [Member] \| Fifth Year [Member]
Debt [Abstract]
Annual amortization percentage	10.00%
Revolving Credit Facility [Member]
Debt [Abstract]
Borrowing capacity		$ 350.0
Term of loan	5 years