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Shareholders' Deficit - Additional Information (Detail) (USD $)
Share data in Millions, except Per Share data, unless otherwise specified |
3 Months Ended | 1 Months Ended | ||||
|---|---|---|---|---|---|---|
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Mar. 31, 2015
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Mar. 31, 2014
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Feb. 28, 2014
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Dec. 31, 2014
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Feb. 03, 2014
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Jul. 30, 2012
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| Stockholders Equity [Line Items] | ||||||
| Dividends paid | $ 0us-gaap_PaymentsOfDividendsCommonStock | $ 30,400,000us-gaap_PaymentsOfDividendsCommonStock | ||||
| Dividends received primarily relating to forward transactions | 0hlf_ProceedsFromDividendsReceivedRelatedToForwardTransactions | 3,400,000hlf_ProceedsFromDividendsReceivedRelatedToForwardTransactions | ||||
| Share repurchase program authorized amount | 1,500,000,000us-gaap_StockRepurchaseProgramAuthorizedAmount1 | 1,000,000,000us-gaap_StockRepurchaseProgramAuthorizedAmount1 | ||||
| Share repurchase program expiration date | Jun. 30, 2017 | |||||
| Retained earnings | (587,200,000)us-gaap_RetainedEarningsAccumulatedDeficit | (665,400,000)us-gaap_RetainedEarningsAccumulatedDeficit | ||||
| Additional paid-in-capital | 414,100,000us-gaap_AdditionalPaidInCapitalCommonStock | 409,100,000us-gaap_AdditionalPaidInCapitalCommonStock | ||||
| Non-cash forward transaction issuance costs | 35,800,000hlf_NoncashForwardTransactionIssuanceCosts | |||||
| Non-cash interest expense | 1,600,000hlf_NoncashInterestExpense | 1,000,000hlf_NoncashInterestExpense | ||||
| Amounts reclassified from accumulated other comprehensive income (loss) to income, tax expense unrealized gain (loss) on available-for-sale investments | 800,000us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForWritedownOfSecuritiesTax | 1,000,000us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForWritedownOfSecuritiesTax | ||||
| Foreign Currency Translation Adjustments [Member] | ||||||
| Stockholders Equity [Line Items] | ||||||
| Other comprehensive income (loss) before reclassifications, Tax expense (benefits) |
(1,900,000)us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember |
(100,000)us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember |
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| Unrealized Gain (Loss) on Derivatives [Member] | ||||||
| Stockholders Equity [Line Items] | ||||||
| Other comprehensive income (loss) before reclassifications, Tax expense (benefits) |
700,000us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
(100,000)us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
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| Unrealized Gain (Loss) on Available-For-Sale Investments [Member] | ||||||
| Stockholders Equity [Line Items] | ||||||
| Other comprehensive income (loss) before reclassifications, Tax expense (benefits) |
(1,000,000)us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
(1,100,000)us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
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| Unrealized Gain (Loss) on Derivatives [Member] | ||||||
| Stockholders Equity [Line Items] | ||||||
| Amounts reclassified from accumulated other comprehensive income (loss) to income, tax benefits unrealized gain (loss) on derivatives |
(100,000)us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax / us-gaap_StatementEquityComponentsAxis = hlf_UnrealizedGainLossOnDerivativesMember |
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| Convertible Notes [Member] | ||||||
| Stockholders Equity [Line Items] | ||||||
| Convertible notes initial conversion price |
$ 86.28us-gaap_DebtInstrumentConvertibleConversionPrice1 / us-gaap_DebtInstrumentAxis = hlf_ConvertibleNotesMember |
$ 86.28us-gaap_DebtInstrumentConvertibleConversionPrice1 / us-gaap_DebtInstrumentAxis = hlf_ConvertibleNotesMember |
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| Capped call transactions [Member] | ||||||
| Stockholders Equity [Line Items] | ||||||
| Capped call transactions with financial institutions |
123,800,000hlf_CappedCallTransactions / us-gaap_DerivativeInstrumentRiskAxis = hlf_CappedCallMember |
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| Capped call transactions price per common share |
$ 121hlf_InitialDerivativeCapPrice / us-gaap_DerivativeInstrumentRiskAxis = hlf_CappedCallMember |
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| Increase (decrease) in additional paid-in capital |
(123,800,000)us-gaap_AdjustmentsToAdditionalPaidInCapitalOther / us-gaap_DerivativeInstrumentRiskAxis = hlf_CappedCallMember |
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| Capped call transactions [Member] | Convertible Notes [Member] | ||||||
| Stockholders Equity [Line Items] | ||||||
| Convertible notes initial conversion price |
$ 86.28us-gaap_DebtInstrumentConvertibleConversionPrice1 / us-gaap_DebtInstrumentAxis = hlf_ConvertibleNotesMember / us-gaap_DerivativeInstrumentRiskAxis = hlf_CappedCallMember |
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| Prepaid forward share repurchase transactions [Member] | ||||||
| Stockholders Equity [Line Items] | ||||||
| Forward share repurchase transactions amount |
685,800,000hlf_AmountPaidRelatedToForwardPurchasingTransactions / us-gaap_ShareRepurchaseProgramAxis = hlf_ForwardShareRepurchaseTransactionMember |
685,800,000hlf_AmountPaidRelatedToForwardPurchasingTransactions / us-gaap_ShareRepurchaseProgramAxis = hlf_ForwardShareRepurchaseTransactionMember |
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| Share repurchase transaction, shares to be purchased |
9.9hlf_SharesPurchasedUnderForwardPurchasingTransactions / us-gaap_ShareRepurchaseProgramAxis = hlf_ForwardShareRepurchaseTransactionMember |
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| Settlement date of forward transactions | August 15, 2019 | |||||
| Retained earnings |
(653,900,000)us-gaap_RetainedEarningsAccumulatedDeficit / us-gaap_ShareRepurchaseProgramAxis = hlf_ForwardShareRepurchaseTransactionMember |
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| Additional paid-in-capital |
(31,900,000)us-gaap_AdditionalPaidInCapitalCommonStock / us-gaap_ShareRepurchaseProgramAxis = hlf_ForwardShareRepurchaseTransactionMember |
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| Share repurchase program, remaining authorized capacity |
$ 232,900,000us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1 / us-gaap_ShareRepurchaseProgramAxis = hlf_ForwardShareRepurchaseTransactionMember |
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| Open market purchases [Member] | ||||||
| Stockholders Equity [Line Items] | ||||||
| Repurchase of common stock, shares |
0us-gaap_StockRepurchasedDuringPeriodShares / us-gaap_ShareRepurchaseProgramAxis = hlf_OpenMarketRepurchasePlanMember |
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| X | ||||||||||
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- Definition
Amount paid related to forward purchasing transactions. No definition available.
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| X | ||||||||||
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- Definition
Capped call transactions. No definition available.
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| X | ||||||||||
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- Definition
The cap price corresponding to capped call transactions. No definition available.
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| X | ||||||||||
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- Definition
Amount of increase in additional paid in capital (APIC) resulting from issuance costs from forward share repurchase agreements entered into, in contemplation of a convertible debt offering. No definition available.
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- Definition
Amount of non-cash interest expense recognized which results from the amortization of issuance costs from forward share repurchase agreements entered into, in contemplation of a convertible debt offering. No definition available.
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- Definition
Dividends received primarily related to the Forward Transactions. No definition available.
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| X | ||||||||||
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- Definition
Settlement Date Of Forward Purchasing Transactions No definition available.
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| X | ||||||||||
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- Definition
Shares to be purchased under prepaid forward share repurchasing transactions. Shares are treated as repurchased and retired for basic and diluted earnings per share purposes but are legally still outstanding. No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Expiration date of the stock repurchase program. No definition available.
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- Definition
Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of other increase (decrease) in additional paid in capital (APIC). No definition available.
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| X | ||||||||||
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- Definition
The price per share of the conversion feature embedded in the debt instrument. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of tax expense (benefit), before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of tax (expense) benefit of reclassification adjustment from accumulated other comprehensive income for unrealized loss realized upon the write-down of available-for-sale securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of tax expense (benefit), before reclassification adjustments, related to increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of tax expense (benefit) before reclassification adjustments of unrealized holding gain (loss) on available-for-sale securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cumulative amount of the reporting entity's undistributed earnings or deficit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of stock repurchase plan authorized. No definition available.
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| X | ||||||||||
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- Definition
Amount remaining of a stock repurchase plan authorized. No definition available.
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- Details
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