XML 118 R103.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Dividends per Share (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Dividends per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Payment of cash dividends |  |  |  |  |  |  |  |  | $ 76,058 | $ 78,438 | $ 81,187
Dividend Declared 2016-Q1 [Member] |  |  |  |  |  |  |  |  |  |  |
Dividends per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Cash dividend paid (in dollars per share) |  |  |  |  |  |  |  | $ 0.355 |  |  |
Dividend Declared 2016-Q2 [Member] |  |  |  |  |  |  |  |  |  |  |
Dividends per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Cash dividend paid (in dollars per share) |  |  |  |  |  |  | $ 0.355 |  |  |  |
Dividend Declared 2016-Q3 [Member] |  |  |  |  |  |  |  |  |  |  |
Dividends per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Cash dividend paid (in dollars per share) |  |  |  |  |  | $ 0.355 |  |  |  |  |
Dividend Declared 2016-Q4 [Member] |  |  |  |  |  |  |  |  |  |  |
Dividends per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Cash dividend paid (in dollars per share) |  |  |  |  | $ 0.355 |  |  |  |  |  |
Dividend Declared 2017-Q1 [Member] |  |  |  |  |  |  |  |  |  |  |
Dividends per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Cash dividend paid (in dollars per share) |  |  |  | $ 0.36 |  |  |  |  |  |  |
Dividend Declared 2017-Q2 [Member] |  |  |  |  |  |  |  |  |  |  |
Dividends per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Cash dividend paid (in dollars per share) |  |  | $ 0.36 |  |  |  |  |  |  |  |
Dividend Declared 2017-Q3 [Member] |  |  |  |  |  |  |  |  |  |  |
Dividends per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Cash dividend paid (in dollars per share) |  | $ 0.36 |  |  |  |  |  |  |  |  |
Dividend Declared 2017-Q4 [Member] |  |  |  |  |  |  |  |  |  |  |
Dividends per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Cash dividend paid (in dollars per share) | $ 0.36 |  |  |  |  |  |  |  |  |  |
Dividend Declared 2018-Q1 [Member] |  |  |  |  |  |  |  |  |  |  |
Dividends per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Dividend payable per share (in dollars per share) |  |  |  |  |  |  |  |  | $ 0.365 |  |
Dividend payable, date to be paid |  |  |  |  |  |  |  |  | Mar. 14, 2018 |  |
Dividend payable, date of record |  |  |  |  |  |  |  |  | Feb. 26, 2018 |  |

X
- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
Name: | us-gaap_CommonStockDividendsPerShareCashPaid
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
Name: | us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date the declared dividend will be paid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586 + Details
Name: | us-gaap_DividendPayableDateToBePaidDayMonthAndYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format. + References No definition available. + Details
Name: | us-gaap_DividendsPayableDateOfRecordDayMonthAndYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsOfDividendsCommonStock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_DividendsAxis=nus_DividendDeclared2016Q1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DividendsAxis=nus_DividendDeclared2016Q2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DividendsAxis=nus_DividendDeclared2016Q3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DividendsAxis=nus_DividendDeclared2016Q4Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DividendsAxis=nus_DividendDeclared2017Q1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DividendsAxis=nus_DividendDeclared2017Q2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DividendsAxis=nus_DividendDeclared2017Q3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DividendsAxis=nus_DividendDeclared2017Q4Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DividendsAxis=nus_DividendDeclared2018Q1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |