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Income Taxes (Schedule Of Income Before Income Tax) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Income Taxes [Abstract]      
U.S. operations $ 7,853us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic $ 9,225us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic $ 15,595us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
Foreign operations 59,723us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign 62,352us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign 58,504us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
Net income before income taxes and non-controlling interest $ 67,576us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments $ 71,577us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments $ 74,099us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments