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Derivatives And Fair Value Measurements (Schedule Of Fair Value Measurements Using Input Levels Asset/(Liability)) (Details) (USD $)
In Thousands, unless otherwise specified
Jan. 03, 2015
Sep. 27, 2014
Fair Value, Inputs, Level 2 [Member]    
Derivatives And Fair Value Measurements [Line Items]    
Derivative, Fair Value, Net $ 10us-gaap_DerivativeFairValueOfDerivativeNet
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
 
Interest Rate Swaps [Member]    
Derivatives And Fair Value Measurements [Line Items]    
Derivative, Fair Value, Net 10us-gaap_DerivativeFairValueOfDerivativeNet
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_InterestRateSwapMember
 
Interest Rate Cash Flow Hedge Asset at Fair Value   200us-gaap_InterestRateCashFlowHedgeAssetAtFairValue
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_InterestRateSwapMember
Interest Rate Swaps [Member] | Fair Value, Inputs, Level 1 [Member]    
Derivatives And Fair Value Measurements [Line Items]    
Derivative, Fair Value, Net 0us-gaap_DerivativeFairValueOfDerivativeNet
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_InterestRateSwapMember
 
Interest Rate Swaps [Member] | Fair Value, Inputs, Level 2 [Member]    
Derivatives And Fair Value Measurements [Line Items]    
Interest Rate Cash Flow Hedge Asset at Fair Value   182us-gaap_InterestRateCashFlowHedgeAssetAtFairValue
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_InterestRateSwapMember
Interest Rate Swaps [Member] | Fair Value, Inputs, Level 3 [Member]    
Derivatives And Fair Value Measurements [Line Items]    
Derivative, Fair Value, Net 0us-gaap_DerivativeFairValueOfDerivativeNet
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_InterestRateSwapMember
 
Foreign Currency Forward Contracts [Member]    
Derivatives And Fair Value Measurements [Line Items]    
Derivative, Fair Value, Net (3,412)us-gaap_DerivativeFairValueOfDerivativeNet
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ForeignExchangeForwardMember
 
Foreign Currency Contracts, Liability, Fair Value Disclosure   2,324us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ForeignExchangeForwardMember
Foreign Currency Forward Contracts [Member] | Fair Value, Inputs, Level 1 [Member]    
Derivatives And Fair Value Measurements [Line Items]    
Derivative, Fair Value, Net 0us-gaap_DerivativeFairValueOfDerivativeNet
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ForeignExchangeForwardMember
 
Foreign Currency Forward Contracts [Member] | Fair Value, Inputs, Level 2 [Member]    
Derivatives And Fair Value Measurements [Line Items]    
Foreign Currency Contracts, Liability, Fair Value Disclosure   2,324us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ForeignExchangeForwardMember
Foreign Currency Forward Contracts [Member] | Fair Value, Inputs, Level 3 [Member]    
Derivatives And Fair Value Measurements [Line Items]    
Derivative, Fair Value, Net 0us-gaap_DerivativeFairValueOfDerivativeNet
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ForeignExchangeForwardMember
 
Forward Exchange Designated as Hedging [Member] | Fair Value, Inputs, Level 2 [Member]    
Derivatives And Fair Value Measurements [Line Items]    
Derivative, Fair Value, Net (3,412)us-gaap_DerivativeFairValueOfDerivativeNet
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= plxs_ForwardExchangeDesignatedasHedgingMember
 
Forward Contracts [Member]    
Derivatives And Fair Value Measurements [Line Items]    
Foreign Currency Contracts, Liability, Fair Value Disclosure $ 0us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ForwardContractsMember
$ 0us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_ForwardContractsMember