XML 103 R74.htm IDEA: XBRL DOCUMENT v2.4.1.9
Other Income (Expense), Net (Details) (USD $)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Other Income (Expense), Net [Abstract]      
Other income (expense), net $ (53,681,000)us-gaap_NonoperatingIncomeExpense $ 2,828,000us-gaap_NonoperatingIncomeExpense $ 4,398,000us-gaap_NonoperatingIncomeExpense
Foreign currency devaluation charge 46,300,000nus_ForeignCurrencyDevaluationCharge    
Expense related to prepayment of debt 7,400,000us-gaap_WriteOffOfDeferredDebtIssuanceCost    
Interest expense included in Other income (expense), net $ 5,700,000us-gaap_InterestExpense $ 3,000,000us-gaap_InterestExpense $ 5,200,000us-gaap_InterestExpense