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Derivatives and Financial Instruments - Assets and Liabilities Measured at Fair Value (Detail) (USD $) | 3 Months Ended | 12 Months Ended
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Dec. 31, 2014 | Sep. 27, 2014 | Jun. 28, 2014 | Mar. 29, 2014 | Dec. 31, 2013 | Sep. 28, 2013 | Jun. 29, 2013 | Mar. 30, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Discontinued Operation, Provision for Loss (Gain) on Disposal, Net of Tax | $ 0 us-gaap_DiscontinuedOperationProvisionForLossGainOnDisposalNetOfTax |  | $ 380,100,000 us-gaap_DiscontinuedOperationProvisionForLossGainOnDisposalNetOfTax | $ 0 us-gaap_DiscontinuedOperationProvisionForLossGainOnDisposalNetOfTax | $ 5,600,000 us-gaap_DiscontinuedOperationProvisionForLossGainOnDisposalNetOfTax | $ 800,000 us-gaap_DiscontinuedOperationProvisionForLossGainOnDisposalNetOfTax |  | $ 0 us-gaap_DiscontinuedOperationProvisionForLossGainOnDisposalNetOfTax | $ 0 us-gaap_DiscontinuedOperationProvisionForLossGainOnDisposalNetOfTax | $ 0 us-gaap_DiscontinuedOperationProvisionForLossGainOnDisposalNetOfTax | $ 385,700,000 us-gaap_DiscontinuedOperationProvisionForLossGainOnDisposalNetOfTax |  | $ 800,000 us-gaap_DiscontinuedOperationProvisionForLossGainOnDisposalNetOfTax |  | $ 0 us-gaap_DiscontinuedOperationProvisionForLossGainOnDisposalNetOfTax
Discontinued Operation, Tax (Expense) Benefit from Provision for (Gain) Loss on Disposal |  |  | 12,300,000 us-gaap_DiscontinuedOperationTaxExpenseBenefitFromProvisionForGainLossOnDisposal |  | 2,400,000 us-gaap_DiscontinuedOperationTaxExpenseBenefitFromProvisionForGainLossOnDisposal | 300,000 us-gaap_DiscontinuedOperationTaxExpenseBenefitFromProvisionForGainLossOnDisposal |  |  |  |  | 14,700,000 us-gaap_DiscontinuedOperationTaxExpenseBenefitFromProvisionForGainLossOnDisposal |  | 300,000 us-gaap_DiscontinuedOperationTaxExpenseBenefitFromProvisionForGainLossOnDisposal |  | 0 us-gaap_DiscontinuedOperationTaxExpenseBenefitFromProvisionForGainLossOnDisposal
Fair Value, Measurements, Recurring |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency contract assets | 900,000 us-gaap_ForeignCurrencyContractAssetFairValueDisclosure / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |  |  |  |  | 3,600,000 us-gaap_ForeignCurrencyContractAssetFairValueDisclosure / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |  |  |  |  | 900,000 us-gaap_ForeignCurrencyContractAssetFairValueDisclosure / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |  | 3,600,000 us-gaap_ForeignCurrencyContractAssetFairValueDisclosure / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |  |
Foreign currency contract liabilities | (6,600,000)us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |  |  |  |  |  |  |  |  |  | (6,600,000)us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |  |  |  |
Deferred compensation plan assets | 55,300,000 pnr_DeferredCompensationPlanAssetsFairValueDisclosure / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | [1] |  |  |  | 32,100,000 pnr_DeferredCompensationPlanAssetsFairValueDisclosure / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | [1] |  |  |  | 55,300,000 pnr_DeferredCompensationPlanAssetsFairValueDisclosure / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | [1] | 32,100,000 pnr_DeferredCompensationPlanAssetsFairValueDisclosure / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | [1] |
Total recurring fair value measurements | 49,600,000 pnr_AssetsAndLiabilitiesFairValueDisclosure / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |  |  |  |  | 35,700,000 pnr_AssetsAndLiabilitiesFairValueDisclosure / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |  |  |  |  | 49,600,000 pnr_AssetsAndLiabilitiesFairValueDisclosure / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |  | 35,700,000 pnr_AssetsAndLiabilitiesFairValueDisclosure / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |  |
Fair Value, Measurements, Nonrecurring |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Indefinite-Lived Trade Names | 0 us-gaap_IndefiniteLivedTradeNames / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember | [2] |  |  |  |  |  |  |  |  | 0 us-gaap_IndefiniteLivedTradeNames / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember | [2] |  |  |
Fair Value, Inputs, Level 1 | Fair Value, Measurements, Recurring |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred compensation plan assets | 47,900,000 pnr_DeferredCompensationPlanAssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | [1] |  |  |  | 32,100,000 pnr_DeferredCompensationPlanAssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | [1] |  |  |  | 47,900,000 pnr_DeferredCompensationPlanAssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | [1] | 32,100,000 pnr_DeferredCompensationPlanAssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | [1] |
Total recurring fair value measurements | 47,900,000 pnr_AssetsAndLiabilitiesFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |  |  |  |  | 32,100,000 pnr_AssetsAndLiabilitiesFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |  |  |  |  | 47,900,000 pnr_AssetsAndLiabilitiesFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |  | 32,100,000 pnr_AssetsAndLiabilitiesFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |  |
Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency contract assets | 900,000 us-gaap_ForeignCurrencyContractAssetFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |  |  |  |  | 3,600,000 us-gaap_ForeignCurrencyContractAssetFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |  |  |  |  | 900,000 us-gaap_ForeignCurrencyContractAssetFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |  | 3,600,000 us-gaap_ForeignCurrencyContractAssetFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |  |
Foreign currency contract liabilities | (6,600,000)us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |  |  |  |  |  |  |  |  |  | (6,600,000)us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |  |  |  |
Deferred compensation plan assets | 7,400,000 pnr_DeferredCompensationPlanAssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | [1] |  |  |  |  |  |  |  |  | 7,400,000 pnr_DeferredCompensationPlanAssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | [1] |  |  |
Total recurring fair value measurements | $ 1,700,000 pnr_AssetsAndLiabilitiesFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |  |  |  |  | $ 3,600,000 pnr_AssetsAndLiabilitiesFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |  |  |  |  | $ 1,700,000 pnr_AssetsAndLiabilitiesFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |  | $ 3,600,000 pnr_AssetsAndLiabilitiesFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |  |
[1] | Deferred compensation plan assets include mutual funds, common/collective trusts and cash equivalents for payment of certain non-qualified benefits for retired, terminated and active employees. The fair value of mutual funds and cash equivalents were based on quoted market prices in active markets. The underlying investments in the common/collective trusts primarily include intermediate and long-term debt securities, corporate debt securities, equity securities and fixed income securities. The overall fair value of the common/collective trusts are based on observable inputs.
[2] | During the third quarter of 2014, we recognized an impairment charge related to allocated amounts of goodwill, intangible assets, property, plant & equipment and other non-current assets totaling $380.1 million, net of a $12.3 million tax benefit, representing our estimated loss on disposal of the Water Transport business. The impairment charge was determined using significant unobservable inputs ("Level 3" fair value measurements). See Note 3 for additional information about the impairment.

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