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Share-Based Compensation - Summary of Activity Under Share-Based Compensation Plans (Parenthetical) (Detail)
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3 Months Ended | |
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Mar. 31, 2015
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Dec. 31, 2014
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Granted SARs | 3,181,000hlf_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndAppreciationRightsGrantsInPeriod | |
| Market condition awards [Member] | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Outstanding SARs |
100,000hlf_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockAppreciationRightsOutstandingNumber / us-gaap_AwardTypeAxis = hlf_MarketConditionAwardsMember |
100,000hlf_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockAppreciationRightsOutstandingNumber / us-gaap_AwardTypeAxis = hlf_MarketConditionAwardsMember |
| Granted SARs |
100,000hlf_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndAppreciationRightsGrantsInPeriod / us-gaap_AwardTypeAxis = hlf_MarketConditionAwardsMember |
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| Performance condition SARs [Member] | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Outstanding SARs |
2,200,000hlf_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockAppreciationRightsOutstandingNumber / us-gaap_AwardTypeAxis = hlf_PerformanceConditionAwardsMember |
1,000,000hlf_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockAppreciationRightsOutstandingNumber / us-gaap_AwardTypeAxis = hlf_PerformanceConditionAwardsMember |
| Granted SARs |
1,200,000hlf_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndAppreciationRightsGrantsInPeriod / us-gaap_AwardTypeAxis = hlf_PerformanceConditionAwardsMember |
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| Exercisable SARs |
100,000hlf_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockAppreciationRightsExercisableNumber / us-gaap_AwardTypeAxis = hlf_PerformanceConditionAwardsMember |
| X | ||||||||||
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- Definition
Share-based compensation arrangement by share-based payment award options and appreciation rights grants in period. No definition available.
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- Definition
The number of exercisable stock appreciation rights (SARs). No definition available.
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- Definition
The number of outstanding stock appreciation rights (SARs). No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Details
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