Prepaid Expenses and Other (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Prepaid Expenses and Other [Abstract]
Deferred tax assets	$ 40,840us-gaap_DeferredTaxAssetsNetCurrent	$ 73,456us-gaap_DeferredTaxAssetsNetCurrent
Intercompany deferred charges	26,776nus_IntercompanyDeferredChargesCurrent	15,108nus_IntercompanyDeferredChargesCurrent
Prepaid income taxes	37,113us-gaap_PrepaidTaxes	0us-gaap_PrepaidTaxes
Prepaid inventory and import costs	21,060nus_PrepaidInventoryCurrent	43,755nus_PrepaidInventoryCurrent
Prepaid rent, insurance and other occupancy costs	10,400nus_PrepaidRentAndInsuranceCurrent	11,486nus_PrepaidRentAndInsuranceCurrent
Prepaid promotion and event cost	4,275us-gaap_PrepaidAdvertising	6,030us-gaap_PrepaidAdvertising
Prepaid other taxes	3,037nus_PrepaidOtherTaxesAndDutiesCurrent	3,340nus_PrepaidOtherTaxesAndDutiesCurrent
Forward contracts	1,661us-gaap_CommodityContractAssetCurrent	1,939us-gaap_CommodityContractAssetCurrent
Deposits	1,244us-gaap_DepositAssets	1,081us-gaap_DepositAssets
Other	13,728us-gaap_OtherPrepaidExpenseCurrent	6,691us-gaap_OtherPrepaidExpenseCurrent
Total prepaid expenses and other	$ 160,134	$ 162,886

Amount of intercompany deferred costs capitalized at the end of the reporting period

No definition available.

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- Definition

Carrying amount as of the balance sheet date of inventory payments made in advance of the period; such amounts will be charged against earnings within one year or the normal operating cycle, if longer.

+ References

No definition available.

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- Definition

Carrying amount as of the balance sheet date of prepaid other taxes and duties made, in advance of the timing of recognition of expenses which are expected to be charged against earnings within one year or the normal operating cycle, if longer.

+ References

No definition available.

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- Definition

Carrying amount as of the balance sheet date of rental payments made in advance of the rental period and unamortized cost of insurance coverage; such amounts will be charged against earnings within one year or the normal operating cycle, if longer.

+ References

No definition available.

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- Definition

Carrying amount as of the balance sheet date of the asset arising from commodity contracts such as futures contracts tied to the movement of a particular commodity, which are expected to be converted into cash or otherwise disposed of within a year or the normal operating cycle, if longer.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards expected to be realized or consumed within one year or operating cycle, if longer.

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- Definition

The carrying amount of the asset transferred to a third party to serve as a deposit, which typically serves as security against failure by the transferor to perform under terms of an agreement.

+ References

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-Publisher SEC

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- Definition

Amount of asset related to consideration paid in advance for other costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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- Definition

Amount of consideration paid in advance for advertising that provides economic benefits within a future period of one year or the normal operating cycle, if longer.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

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Amount of asset related to consideration paid in advance for income and other taxes that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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