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  <us-gaap:CommonStockSharesAuthorized id="Tag154" decimals="INF" contextRef="I2013Q3" unitRef="Shares">1250000</us-gaap:CommonStockSharesAuthorized>
  <us-gaap:CommonStockSharesIssued id="Tag155" decimals="INF" contextRef="I2012" unitRef="Shares">1197660</us-gaap:CommonStockSharesIssued>
  <us-gaap:CommonStockSharesIssued id="Tag156" decimals="INF" contextRef="I2013Q3" unitRef="Shares">1191230</us-gaap:CommonStockSharesIssued>
  <us-gaap:CommonStockSharesOutstanding id="Tag157" decimals="INF" contextRef="I2012" unitRef="Shares">1197660</us-gaap:CommonStockSharesOutstanding>
  <us-gaap:CommonStockSharesOutstanding id="Tag158" decimals="INF" contextRef="I2013Q3" unitRef="Shares">1191230</us-gaap:CommonStockSharesOutstanding>
  <us-gaap:DepreciationDepletionAndAmortization id="Tag159" decimals="-3" contextRef="D2012Q3YTD" unitRef="USD">67518000</us-gaap:DepreciationDepletionAndAmortization>
  <us-gaap:GainLossOnDispositionOfAssets id="Tag160" decimals="-3" contextRef="D2012Q3YTD" unitRef="USD">6343000</us-gaap:GainLossOnDispositionOfAssets>
  <us-gaap:DeferredIncomeTaxExpenseBenefit id="Tag161" decimals="-3" contextRef="D2012Q3YTD" unitRef="USD">-14105000</us-gaap:DeferredIncomeTaxExpenseBenefit>
  <seb:PaidInKindInterestIncome id="Tag162" decimals="-3" contextRef="D2012Q3YTD" unitRef="USD">8747000</seb:PaidInKindInterestIncome>
  <us-gaap:EquityMethodInvestmentDividendsOrDistributions id="Tag163" decimals="-3" contextRef="D2012Q3YTD" unitRef="USD">596000</us-gaap:EquityMethodInvestmentDividendsOrDistributions>
  <seb:OtherNoncashIncomeExpenseAndOtherItems id="Tag164" decimals="-3" contextRef="D2012Q3YTD" unitRef="USD">-2340000</seb:OtherNoncashIncomeExpenseAndOtherItems>
  <us-gaap:IncreaseDecreaseInReceivables id="Tag165" decimals="-3" contextRef="D2012Q3YTD" unitRef="USD">66783000</us-gaap:IncreaseDecreaseInReceivables>
  <us-gaap:IncreaseDecreaseInInventories id="Tag166" decimals="-3" contextRef="D2012Q3YTD" unitRef="USD">119871000</us-gaap:IncreaseDecreaseInInventories>
  <us-gaap:IncreaseDecreaseInOtherCurrentAssets id="Tag167" decimals="-3" contextRef="D2012Q3YTD" unitRef="USD">33759000</us-gaap:IncreaseDecreaseInOtherCurrentAssets>
  <seb:IncreaseDecreaseInCurrentLiabilitiesExclusiveOfDebtCurrent id="Tag168" decimals="-3" contextRef="D2012Q3YTD" unitRef="USD">116341000</seb:IncreaseDecreaseInCurrentLiabilitiesExclusiveOfDebtCurrent>
  <us-gaap:OtherOperatingActivitiesCashFlowStatement id="Tag169" decimals="-3" contextRef="D2012Q3YTD" unitRef="USD">17471000</us-gaap:OtherOperatingActivitiesCashFlowStatement>
  <us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations id="Tag170" decimals="-3" contextRef="D2012Q3YTD" unitRef="USD">132960000</us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations>
  <seb:OtherNoncashIncomeExpenseAndOtherItems id="Tag171" decimals="-3" contextRef="D2013Q3YTD" unitRef="USD">-806000</seb:OtherNoncashIncomeExpenseAndOtherItems>
  <us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations id="Tag172" decimals="-3" contextRef="D2013Q3YTD" unitRef="USD">624000</us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations>
  <us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations id="Tag173" decimals="-3" contextRef="D2013Q3YTD" unitRef="USD">-21334000</us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations>
  <us-gaap:NetCashProvidedByUsedInContinuingOperations id="Tag174" decimals="-3" contextRef="D2013Q3YTD" unitRef="USD">-15898000</us-gaap:NetCashProvidedByUsedInContinuingOperations>
  <us-gaap:PaymentsToAcquireShortTermInvestments id="Tag175" decimals="-3" contextRef="D2012Q3YTD" unitRef="USD">602811000</us-gaap:PaymentsToAcquireShortTermInvestments>
  <us-gaap:ProceedsFromSaleOfShortTermInvestments id="Tag176" decimals="-3" contextRef="D2012Q3YTD" unitRef="USD">529144000</us-gaap:ProceedsFromSaleOfShortTermInvestments>
  <us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments id="Tag177" decimals="-3" contextRef="D2012Q3YTD" unitRef="USD">27077000</us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments>
  <us-gaap:PaymentsToAcquireInterestInSubsidiariesAndAffiliates id="Tag178" decimals="-3" contextRef="D2012Q3YTD" unitRef="USD">9321000</us-gaap:PaymentsToAcquireInterestInSubsidiariesAndAffiliates>
  <us-gaap:PaymentsToAcquirePropertyPlantAndEquipment id="Tag179" decimals="-3" contextRef="D2012Q3YTD" unitRef="USD">112218000</us-gaap:PaymentsToAcquirePropertyPlantAndEquipment>
  <us-gaap:ProceedsFromSaleOfProductiveAssets id="Tag180" decimals="-3" contextRef="D2012Q3YTD" unitRef="USD">10599000</us-gaap:ProceedsFromSaleOfProductiveAssets>
  <us-gaap:ProceedsFromCollectionOfAdvanceToAffiliate id="Tag181" decimals="-3" contextRef="D2012Q3YTD" unitRef="USD">1139000</us-gaap:ProceedsFromCollectionOfAdvanceToAffiliate>
  <us-gaap:PaymentsForProceedsFromLongtermInvestments id="Tag182" decimals="-3" contextRef="D2012Q3YTD" unitRef="USD">6629000</us-gaap:PaymentsForProceedsFromLongtermInvestments>
  <us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired id="Tag183" decimals="-3" contextRef="D2012Q3YTD" unitRef="USD">2825000</us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired>
  <us-gaap:PaymentsForProceedsFromOtherInvestingActivities id="Tag184" decimals="-3" contextRef="D2012Q3YTD" unitRef="USD">96000</us-gaap:PaymentsForProceedsFromOtherInvestingActivities>
  <us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations id="Tag185" decimals="-3" contextRef="D2012Q3YTD" unitRef="USD">-165103000</us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations>
  <us-gaap:ProceedsFromRepaymentsOfShortTermDebt id="Tag186" decimals="-3" contextRef="D2012Q3YTD" unitRef="USD">7688000</us-gaap:ProceedsFromRepaymentsOfShortTermDebt>
  <us-gaap:ProceedsFromIssuanceOfLongTermDebt id="Tag187" decimals="-3" contextRef="D2012Q3YTD" unitRef="USD">32682000</us-gaap:ProceedsFromIssuanceOfLongTermDebt>
  <us-gaap:RepaymentsOfLongTermDebt id="Tag188" decimals="-3" contextRef="D2012Q3YTD" unitRef="USD">6050000</us-gaap:RepaymentsOfLongTermDebt>
  <us-gaap:PaymentsForRepurchaseOfCommonStock id="Tag189" decimals="-3" contextRef="D2012Q3YTD" unitRef="USD">18193000</us-gaap:PaymentsForRepurchaseOfCommonStock>
  <us-gaap:ProceedsFromPaymentsForOtherFinancingActivities id="Tag190" decimals="-3" contextRef="D2012Q3YTD" unitRef="USD">382000</us-gaap:ProceedsFromPaymentsForOtherFinancingActivities>
  <us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations id="Tag191" decimals="-3" contextRef="D2012Q3YTD" unitRef="USD">16509000</us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations>
  <us-gaap:EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations id="Tag192" decimals="-3" contextRef="D2012Q3YTD" unitRef="USD">-1371000</us-gaap:EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations>
  <us-gaap:NetCashProvidedByUsedInContinuingOperations id="Tag193" decimals="-3" contextRef="D2012Q3YTD" unitRef="USD">-17005000</us-gaap:NetCashProvidedByUsedInContinuingOperations>
  <us-gaap:CashAndCashEquivalentsAtCarryingValue id="Tag194" decimals="-3" contextRef="I2011" unitRef="USD">71510000</us-gaap:CashAndCashEquivalentsAtCarryingValue>
  <us-gaap:CashAndCashEquivalentsAtCarryingValue id="Tag195" decimals="-3" contextRef="I2012Q3" unitRef="USD">54505000</us-gaap:CashAndCashEquivalentsAtCarryingValue>
  <us-gaap:CashAndCashEquivalentsAtCarryingValue id="Tag196" decimals="-3" contextRef="I2013Q3" unitRef="USD">31753000</us-gaap:CashAndCashEquivalentsAtCarryingValue>
  <us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock id="Tag197" contextRef="D2013Q3YTD">Note 1 - Accounting Policies and Basis of Presentation</us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock>
  <us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock id="Tag198" contextRef="D2013Q3YTD">Note 2- Investments</us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock>
  <us-gaap:InventoryDisclosureTextBlock id="Tag199" contextRef="D2013Q3YTD">Note 3 - Inventories</us-gaap:InventoryDisclosureTextBlock>
  <us-gaap:IncomeTaxDisclosureTextBlock id="Tag200" contextRef="D2013Q3YTD">Note 4 - Income Taxes</us-gaap:IncomeTaxDisclosureTextBlock>
  <us-gaap:DerivativesAndFairValueTextBlock id="Tag201" contextRef="D2013Q3YTD">Note 5 -Derivatives and Fair Value of Financial Instruments</us-gaap:DerivativesAndFairValueTextBlock>
  <us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock id="Tag202" contextRef="D2013Q3YTD">Note 6 - Employee Benefits</us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock>
  <us-gaap:CommitmentsAndContingenciesDisclosureTextBlock id="Tag203" contextRef="D2013Q3YTD">Note 7 - Notes Payable, Long-Term Debt, Commitments and Contingencies</us-gaap:CommitmentsAndContingenciesDisclosureTextBlock>
  <us-gaap:StockholdersEquityNoteDisclosureTextBlock id="Tag204" contextRef="D2013Q3YTD">Note 8 - Stockholders' Equity and Accumulated Other Comprehensive Loss</us-gaap:StockholdersEquityNoteDisclosureTextBlock>
  <us-gaap:SegmentReportingDisclosureTextBlock id="Tag205" contextRef="D2013Q3YTD">Note 9 - Segment Information</us-gaap:SegmentReportingDisclosureTextBlock>
  <us-gaap:UseOfEstimates id="Tag206" contextRef="D2013Q3YTD">Policy 1</us-gaap:UseOfEstimates>
  <invest:InvestmentTableTextBlock id="Tag207" contextRef="D2013Q3YTD">Table 1</invest:InvestmentTableTextBlock>
  <us-gaap:InvestmentsClassifiedByContractualMaturityDateTableTextBlock id="Tag208" contextRef="D2013Q3YTD">Table 2</us-gaap:InvestmentsClassifiedByContractualMaturityDateTableTextBlock>
  <us-gaap:ScheduleOfInventoryCurrentTableTextBlock id="Tag209" contextRef="D2013Q3YTD">Table 1</us-gaap:ScheduleOfInventoryCurrentTableTextBlock>
  <us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock id="Tag210" contextRef="D2013Q3YTD">Table 1</us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock>
  <us-gaap:FairValueByBalanceSheetGroupingTextBlock id="Tag211" contextRef="D2013Q3YTD">Table 2</us-gaap:FairValueByBalanceSheetGroupingTextBlock>
  <us-gaap:ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock id="Tag212" contextRef="D2013Q3YTD">Table 3</us-gaap:ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock>
  <us-gaap:ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock id="Tag213" contextRef="D2013Q3YTD">Table 4</us-gaap:ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock>
  <us-gaap:ScheduleOfNetBenefitCostsTableTextBlock id="Tag214" contextRef="D2013Q3YTD">Table 1</us-gaap:ScheduleOfNetBenefitCostsTableTextBlock>
  <us-gaap:ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock id="Tag215" contextRef="D2013Q3YTD">Table 1</us-gaap:ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock>
  <us-gaap:ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock id="Tag216" contextRef="D2013Q3YTD">Table 1</us-gaap:ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock>
  <us-gaap:ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock id="Tag217" contextRef="D2013Q3YTD">Table 2</us-gaap:ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock>
  <seb:ScheduleOfIncomeLossFromEquityMethodInvestmentsBySegmentTextBlock id="Tag218" contextRef="D2013Q3YTD">Table 3</seb:ScheduleOfIncomeLossFromEquityMethodInvestmentsBySegmentTextBlock>
  <us-gaap:ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock id="Tag219" contextRef="D2013Q3YTD">Table 4</us-gaap:ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock>
  <seb:ScheduleOfInvestmentInAndAdvancesToAffiliatesBySegmentTextBlock id="Tag220" contextRef="D2013Q3YTD">Table 5</seb:ScheduleOfInvestmentInAndAdvancesToAffiliatesBySegmentTextBlock>
  <us-gaap:BusinessCombinationStepAcquisitionEquityInterestInAcquireeIncludingSubsequentAcquisitionPercentage id="Tag221" decimals="2" contextRef="I2012Q1_M0102_PSInternationalMember" unitRef="Pure">0.50</us-gaap:BusinessCombinationStepAcquisitionEquityInterestInAcquireeIncludingSubsequentAcquisitionPercentage>
  <us-gaap:BusinessCombinationStepAcquisitionEquityInterestInAcquireeIncludingSubsequentAcquisitionPercentage id="Tag222" decimals="2" contextRef="I2012Q1_M0102_NC_PSInternationalMember" unitRef="Pure">0.50</us-gaap:BusinessCombinationStepAcquisitionEquityInterestInAcquireeIncludingSubsequentAcquisitionPercentage>
  <us-gaap:SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions id="Tag223" decimals="2" contextRef="D2012Q1_M01_PSInternationalMember" unitRef="Pure">0.70</us-gaap:SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions>
  <us-gaap:SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions id="Tag224" decimals="2" contextRef="D2012_PSInternationalMember" unitRef="Pure">0.85</us-gaap:SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions>
  <us-gaap:SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions id="Tag225" decimals="2" contextRef="D2012Q1_M01_NC_PSInternationalMember" unitRef="Pure">0.70</us-gaap:SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions>
  <us-gaap:SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions id="Tag226" decimals="2" contextRef="D2012_PSInternationalMember_NC" unitRef="Pure">0.85</us-gaap:SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions>
  <us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired id="Tag227" decimals="0" contextRef="D2012Q1_M01_PSInternationalMember" unitRef="USD">2825000</us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired>
  <us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired id="Tag228" decimals="0" contextRef="D2012Q1_PSInternationalMember" unitRef="USD">2825000</us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired>
  <us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired id="Tag229" decimals="0" contextRef="D2012Q1_M01_NC_PSInternationalMember" unitRef="USD">2825000</us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired>
  <us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired id="Tag230" decimals="0" contextRef="D2012_PSInternationalMember_NC" unitRef="USD">3186000</us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired>
  <us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired id="Tag231" decimals="0" contextRef="D2012Q4_M1231_NC_PSInternationalMember" unitRef="USD">3045000</us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired>
  <us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired id="Tag232" decimals="0" contextRef="D2013Q2_PSInternationalMember" unitRef="USD">515000</us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired>
  <seb:BusinessAcquisitionPurchasePriceAllocationWorkingCapital id="Tag233" decimals="0" contextRef="I2012Q1_PSInternationalMember" unitRef="USD">14419000</seb:BusinessAcquisitionPurchasePriceAllocationWorkingCapital>
  <us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment id="Tag234" decimals="0" contextRef="I2012Q1_PSInternationalMember" unitRef="USD">163000</us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment>
  <us-gaap:Goodwill id="Tag235" decimals="0" contextRef="I2012Q1_PSInternationalMember" unitRef="USD">2590000</us-gaap:Goodwill>
  <us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles id="Tag236" decimals="0" contextRef="I2012Q1_PSInternationalMember" unitRef="USD">621000</us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles>
  <us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles id="Tag237" decimals="0" contextRef="I2013Q2_PSInternationalMember" unitRef="USD">515000</us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles>
  <us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets id="Tag238" decimals="0" contextRef="I2012Q1_PSInternationalMember" unitRef="USD">96000</us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets>
  <seb:BusinessAcquisitionPurchasePriceAllocationMinorityInterest id="Tag239" decimals="0" contextRef="I2012Q1_PSInternationalMember" unitRef="USD">5649000</seb:BusinessAcquisitionPurchasePriceAllocationMinorityInterest>
  <seb:BusinessAcquisitionPurchasePriceAllocationInvestmentInAndAdvancesToAffiliates id="Tag240" decimals="0" contextRef="I2012Q1_PSInternationalMember" unitRef="USD">9415000</seb:BusinessAcquisitionPurchasePriceAllocationInvestmentInAndAdvancesToAffiliates>
  <seb:PaidInKindInterestIncome id="Tag241" decimals="-3" contextRef="D2013Q3YTD" unitRef="USD">9828000</seb:PaidInKindInterestIncome>
  <seb:PaidInKindInterestIncome id="Tag242" decimals="-3" contextRef="D2013Q3" unitRef="USD">3397000</seb:PaidInKindInterestIncome>
  <seb:PaidInKindInterestIncome id="Tag243" decimals="-3" contextRef="D2012Q3" unitRef="USD">2989000</seb:PaidInKindInterestIncome>
  <us-gaap:AvailableForSaleSecurities id="Tag244" decimals="0" contextRef="I2013Q3_MoneyMarketFundsMember_GBP" unitRef="USD">7680000</us-gaap:AvailableForSaleSecurities>
  <us-gaap:AvailableForSaleSecurities id="Tag245" decimals="0" contextRef="I2013Q3_MoneyMarketFundsMember_EUR" unitRef="USD">15898000</us-gaap:AvailableForSaleSecurities>
  <us-gaap:AvailableForSaleSecurities id="Tag246" decimals="0" contextRef="I2013Q3_MoneyMarketFundsMember_CAD" unitRef="USD">4130000</us-gaap:AvailableForSaleSecurities>
  <us-gaap:AvailableForSaleSecuritiesAmortizedCost id="Tag247" decimals="-3" contextRef="I2013Q3_MoneyMarketFundsMember" unitRef="USD">78435000</us-gaap:AvailableForSaleSecuritiesAmortizedCost>
  <us-gaap:AvailableForSaleSecuritiesAmortizedCost id="Tag248" decimals="-3" contextRef="I2013Q3_CorporateBondSecuritiesMember" unitRef="USD">68411000</us-gaap:AvailableForSaleSecuritiesAmortizedCost>
  <us-gaap:AvailableForSaleSecuritiesAmortizedCost id="Tag249" decimals="-3" contextRef="I2013Q3_USGovernmentAgenciesDebtSecuritiesMember" unitRef="USD">20627000</us-gaap:AvailableForSaleSecuritiesAmortizedCost>
  <us-gaap:AvailableForSaleSecuritiesAmortizedCost id="Tag250" decimals="-3" contextRef="I2013Q3_USTreasurySecuritiesMember" unitRef="USD">5258000</us-gaap:AvailableForSaleSecuritiesAmortizedCost>
  <us-gaap:AvailableForSaleSecuritiesAmortizedCost id="Tag251" decimals="-3" contextRef="I2013Q3_EmergingMarketDebtMember" unitRef="USD">17693000</us-gaap:AvailableForSaleSecuritiesAmortizedCost>
  <us-gaap:AvailableForSaleSecuritiesAmortizedCost id="Tag252" decimals="-3" contextRef="I2013Q3_CollateralizedMortgageObligationsMember" unitRef="USD">15058000</us-gaap:AvailableForSaleSecuritiesAmortizedCost>
  <us-gaap:AvailableForSaleSecuritiesAmortizedCost id="Tag253" decimals="-3" contextRef="I2013Q3_AssetBackedSecuritiesMember" unitRef="USD">8926000</us-gaap:AvailableForSaleSecuritiesAmortizedCost>
  <us-gaap:AvailableForSaleSecuritiesAmortizedCost id="Tag254" decimals="-3" contextRef="I2013Q3_AvailableforsaleSecuritiesMember" unitRef="USD">214408000</us-gaap:AvailableForSaleSecuritiesAmortizedCost>
  <us-gaap:AvailableForSaleSecuritiesAmortizedCost id="Tag255" decimals="-3" contextRef="I2012_MoneyMarketFundsMember" unitRef="USD">126537000</us-gaap:AvailableForSaleSecuritiesAmortizedCost>
  <us-gaap:AvailableForSaleSecuritiesAmortizedCost id="Tag256" decimals="-3" contextRef="I2012_CorporateBondSecuritiesMember" unitRef="USD">67275000</us-gaap:AvailableForSaleSecuritiesAmortizedCost>
  <us-gaap:AvailableForSaleSecuritiesAmortizedCost id="Tag257" decimals="-3" contextRef="I2012_USGovernmentAgenciesDebtSecuritiesMember" unitRef="USD">23647000</us-gaap:AvailableForSaleSecuritiesAmortizedCost>
  <us-gaap:AvailableForSaleSecuritiesAmortizedCost id="Tag258" decimals="-3" contextRef="I2012_USTreasurySecuritiesMember" unitRef="USD">17165000</us-gaap:AvailableForSaleSecuritiesAmortizedCost>
  <us-gaap:AvailableForSaleSecuritiesAmortizedCost id="Tag259" decimals="-3" contextRef="I2012_EmergingMarketDebtMember" unitRef="USD">17693000</us-gaap:AvailableForSaleSecuritiesAmortizedCost>
  <us-gaap:AvailableForSaleSecuritiesAmortizedCost id="Tag260" decimals="-3" contextRef="I2012_CollateralizedMortgageObligationsMember" unitRef="USD">15059000</us-gaap:AvailableForSaleSecuritiesAmortizedCost>
  <us-gaap:AvailableForSaleSecuritiesAmortizedCost id="Tag261" decimals="-3" contextRef="I2012_AssetBackedSecuritiesMember" unitRef="USD">12180000</us-gaap:AvailableForSaleSecuritiesAmortizedCost>
  <us-gaap:AvailableForSaleSecuritiesAmortizedCost id="Tag262" decimals="-3" contextRef="I2012_AvailableforsaleSecuritiesMember" unitRef="USD">279556000</us-gaap:AvailableForSaleSecuritiesAmortizedCost>
  <us-gaap:AvailableForSaleSecurities id="Tag263" decimals="-3" contextRef="I2013Q3_MoneyMarketFundsMember" unitRef="USD">78435000</us-gaap:AvailableForSaleSecurities>
  <us-gaap:AvailableForSaleSecurities id="Tag264" decimals="-3" contextRef="I2013Q3_CorporateBondSecuritiesMember" unitRef="USD">69038000</us-gaap:AvailableForSaleSecurities>
  <us-gaap:AvailableForSaleSecurities id="Tag265" decimals="-3" contextRef="I2013Q3_USGovernmentAgenciesDebtSecuritiesMember" unitRef="USD">20412000</us-gaap:AvailableForSaleSecurities>
  <us-gaap:AvailableForSaleSecurities id="Tag266" decimals="-3" contextRef="I2013Q3_USTreasurySecuritiesMember" unitRef="USD">5237000</us-gaap:AvailableForSaleSecurities>
  <us-gaap:AvailableForSaleSecurities id="Tag267" decimals="-3" contextRef="I2013Q3_EmergingMarketDebtMember" unitRef="USD">17253000</us-gaap:AvailableForSaleSecurities>
  <us-gaap:AvailableForSaleSecurities id="Tag268" decimals="-3" contextRef="I2013Q3_CollateralizedMortgageObligationsMember" unitRef="USD">15007000</us-gaap:AvailableForSaleSecurities>
  <us-gaap:AvailableForSaleSecurities id="Tag269" decimals="-3" contextRef="I2013Q3_AssetBackedSecuritiesMember" unitRef="USD">8967000</us-gaap:AvailableForSaleSecurities>
  <us-gaap:AvailableForSaleSecurities id="Tag270" decimals="-3" contextRef="I2013Q3_AvailableforsaleSecuritiesMember" unitRef="USD">214349000</us-gaap:AvailableForSaleSecurities>
  <us-gaap:AvailableForSaleSecurities id="Tag271" decimals="-3" contextRef="I2012_MoneyMarketFundsMember" unitRef="USD">126537000</us-gaap:AvailableForSaleSecurities>
  <us-gaap:AvailableForSaleSecurities id="Tag272" decimals="-3" contextRef="I2012_CorporateBondSecuritiesMember" unitRef="USD">69214000</us-gaap:AvailableForSaleSecurities>
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