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Derivatives And Fair Value Measurements (Narrative) (Details) (USD $)
3 Months Ended
Jan. 03, 2015
Dec. 28, 2013
Sep. 27, 2014
Derivatives And Fair Value Measurements [Line Items]      
Fixed interest rate 0.875%us-gaap_DerivativeFixedInterestRate    
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net $ 0us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet $ 0us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet  
Forward Contracts [Member]      
Derivatives And Fair Value Measurements [Line Items]      
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net (4,256,000)us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ForwardContractsMember
(743,000)us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ForwardContractsMember
 
Interest Rate Swaps [Member]      
Derivatives And Fair Value Measurements [Line Items]      
Derivative, Notional Amount 75,000,000invest_DerivativeNotionalAmount
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_InterestRateSwapMember
  75,000,000invest_DerivativeNotionalAmount
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_InterestRateSwapMember
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net (36,000)us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_InterestRateSwapMember
(31,000)us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_InterestRateSwapMember
 
Interest Rate Cash Flow Hedge Derivative at Fair Value, Net (117,000)us-gaap_InterestRateCashFlowHedgeDerivativeAtFairValueNet
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_InterestRateSwapMember
   
Interest Rate Cash Flow Hedge Asset at Fair Value     200,000us-gaap_InterestRateCashFlowHedgeAssetAtFairValue
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_InterestRateSwapMember
ROMANIA | Forward Contracts [Member]      
Derivatives And Fair Value Measurements [Line Items]      
Derivative, Notional Amount 5,400,000invest_DerivativeNotionalAmount
/ plxs_AllCountriesAxis
= country_RO
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ForwardContractsMember
  37,900,000invest_DerivativeNotionalAmount
/ plxs_AllCountriesAxis
= country_RO
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ForwardContractsMember
Foreign Currency Contract, Asset, Fair Value Disclosure 200,000us-gaap_ForeignCurrencyContractAssetFairValueDisclosure
/ plxs_AllCountriesAxis
= country_RO
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ForwardContractsMember
  1,500,000us-gaap_ForeignCurrencyContractAssetFairValueDisclosure
/ plxs_AllCountriesAxis
= country_RO
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ForwardContractsMember
Term Loans New Credit Facility [Member]      
Derivatives And Fair Value Measurements [Line Items]      
Credit facility outstanding at end of period 75,000,000us-gaap_LineOfCreditFacilityAmountOutstanding
/ us-gaap_DebtInstrumentAxis
= plxs_TermLoansNewCreditFacilityMember
   
Senior Notes [Member]      
Derivatives And Fair Value Measurements [Line Items]      
Senior Notes, principal outstanding 175,000,000us-gaap_SeniorNotes
/ us-gaap_DebtInstrumentAxis
= us-gaap_SeniorNotesMember
  175,000,000us-gaap_SeniorNotes
/ us-gaap_DebtInstrumentAxis
= us-gaap_SeniorNotesMember
MALAYSIA | Forward Contracts [Member]      
Derivatives And Fair Value Measurements [Line Items]      
Derivative, Notional Amount 60,000,000invest_DerivativeNotionalAmount
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ForwardContractsMember
/ us-gaap_StatementGeographicalAxis
= country_MY
  64,600,000invest_DerivativeNotionalAmount
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ForwardContractsMember
/ us-gaap_StatementGeographicalAxis
= country_MY
Assets [Member] | Derivatives Designated As Hedging Instruments [Member] | Forward Contracts [Member]      
Derivatives And Fair Value Measurements [Line Items]      
Derivative Liability, Fair Value, Gross Liability 3,600,000us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_AssetsMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ForwardContractsMember
   
Current Liabilities - Other [Member] | Derivatives Designated As Hedging Instruments [Member] | Forward Contracts [Member]      
Derivatives And Fair Value Measurements [Line Items]      
Derivative Liability, Fair Value, Gross Liability 3,570,000us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_BalanceSheetLocationAxis
= plxs_CurrentLiabilitiesOtherMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ForwardContractsMember
  0us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_BalanceSheetLocationAxis
= plxs_CurrentLiabilitiesOtherMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ForwardContractsMember
Current Liabilities - Other [Member] | Derivatives Designated As Hedging Instruments [Member] | Interest Rate Swaps [Member]      
Derivatives And Fair Value Measurements [Line Items]      
Interest Rate Cash Flow Hedge Derivative at Fair Value, Net 0us-gaap_InterestRateCashFlowHedgeDerivativeAtFairValueNet
/ us-gaap_BalanceSheetLocationAxis
= plxs_CurrentLiabilitiesOtherMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_InterestRateSwapMember
  0us-gaap_InterestRateCashFlowHedgeDerivativeAtFairValueNet
/ us-gaap_BalanceSheetLocationAxis
= plxs_CurrentLiabilitiesOtherMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_InterestRateSwapMember
Prepaid Expenses And Other [Member] | Forward Contracts [Member]      
Derivatives And Fair Value Measurements [Line Items]      
Foreign Currency Contract, Asset, Fair Value Disclosure 158,000us-gaap_ForeignCurrencyContractAssetFairValueDisclosure
/ us-gaap_BalanceSheetLocationAxis
= plxs_PrepaidExpensesAndOtherMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ForwardContractsMember
  1,512,000us-gaap_ForeignCurrencyContractAssetFairValueDisclosure
/ us-gaap_BalanceSheetLocationAxis
= plxs_PrepaidExpensesAndOtherMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ForwardContractsMember
Prepaid Expenses And Other [Member] | Interest Rate Swaps [Member]      
Derivatives And Fair Value Measurements [Line Items]      
Interest Rate Cash Flow Hedge Derivative at Fair Value, Net (10,000)us-gaap_InterestRateCashFlowHedgeDerivativeAtFairValueNet
/ us-gaap_BalanceSheetLocationAxis
= plxs_PrepaidExpensesAndOtherMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_InterestRateSwapMember
  (182,000)us-gaap_InterestRateCashFlowHedgeDerivativeAtFairValueNet
/ us-gaap_BalanceSheetLocationAxis
= plxs_PrepaidExpensesAndOtherMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_InterestRateSwapMember
Prepaid Expenses And Other [Member] | Derivatives Designated As Hedging Instruments [Member] | Forward Contracts [Member]      
Derivatives And Fair Value Measurements [Line Items]      
Foreign Currency Contract, Asset, Fair Value Disclosure 0us-gaap_ForeignCurrencyContractAssetFairValueDisclosure
/ us-gaap_BalanceSheetLocationAxis
= plxs_PrepaidExpensesAndOtherMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ForwardContractsMember
  812,000us-gaap_ForeignCurrencyContractAssetFairValueDisclosure
/ us-gaap_BalanceSheetLocationAxis
= plxs_PrepaidExpensesAndOtherMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ForwardContractsMember
Fair Value, Inputs, Level 2 [Member] | Interest Rate Swaps [Member]      
Derivatives And Fair Value Measurements [Line Items]      
Interest Rate Cash Flow Hedge Asset at Fair Value     $ 182,000us-gaap_InterestRateCashFlowHedgeAssetAtFairValue
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_InterestRateSwapMember