XML 127 R86.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Subsequent Events - Additional Information (Detail) $ in Millions | Jan. 08, 2019 USD ($)
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Separation Agreement and General Release [Member] | Chief Executive Officer [Member] | Subsequent Event [Member] |
Subsequent Event [Line Items] |
Remuneration contingent payable | $ 3.5

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- Definition Contingent remuneration payable. + References No definition available. + Details
Name: | hlf_ContingentRemunerationPayable
Namespace Prefix: | hlf_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=hlf_SeparationAgreementAndGeneralReleaseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TitleOfIndividualAxis=us-gaap_ChiefExecutiveOfficerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |