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Employee Benefit Plans (Schedule of Allocation of Plan Assets, Pension Plans) (Details)
 12 Months Ended
Jan. 03, 2016
Dec. 28, 2014
Dec. 29, 2013
Foreign Pension Plans, Defined Benefit [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Equity Securities   100.00%us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
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United States Pension Plans of US Entity, Defined Benefit [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Equity Securities   100.00%us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
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Other Securities [Member] | Foreign Pension Plans, Defined Benefit [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Equity Securities   1.00%us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
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Other Securities [Member] | United States Pension Plans of US Entity, Defined Benefit [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Equity Securities   0.00%us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
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= pki_OtherSecuritiesMember
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Debt Securities [Member] | Foreign Pension Plans, Defined Benefit [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Equity Securities   50.00%us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
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Debt Securities [Member] | United States Pension Plans of US Entity, Defined Benefit [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Equity Securities   61.00%us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_DebtSecuritiesMember
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= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember		 57.00%us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
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= us-gaap_DebtSecuritiesMember
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Equity Securities [Member] | Foreign Pension Plans, Defined Benefit [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Equity Securities   49.00%us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
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Equity Securities [Member] | United States Pension Plans of US Entity, Defined Benefit [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Equity Securities   39.00%us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_EquitySecuritiesMember
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= us-gaap_EquitySecuritiesMember
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Scenario, Forecast [Member] | Foreign Pension Plans, Defined Benefit [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Target Allocation Percentage 1    
Scenario, Forecast [Member] | United States Pension Plans of US Entity, Defined Benefit [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Target Allocation Percentage 1    
Scenario, Forecast [Member] | Minimum [Member] | Equity Securities [Member] | Foreign Pension Plans, Defined Benefit [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit, Target Asset Allocation Percentage 45.00%pki_DefinedBenefitTargetAssetAllocationPercentage
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= us-gaap_ScenarioForecastMember		    
Scenario, Forecast [Member] | Minimum [Member] | Equity Securities [Member] | United States Pension Plans of US Entity, Defined Benefit [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit, Target Asset Allocation Percentage 40.00%pki_DefinedBenefitTargetAssetAllocationPercentage
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= us-gaap_ScenarioForecastMember		    
Scenario, Forecast [Member] | Minimum [Member] | Debt Securities [Member] | Foreign Pension Plans, Defined Benefit [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit, Target Asset Allocation Percentage 45.00%pki_DefinedBenefitTargetAssetAllocationPercentage
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= us-gaap_ScenarioForecastMember		    
Scenario, Forecast [Member] | Minimum [Member] | Debt Securities [Member] | United States Pension Plans of US Entity, Defined Benefit [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit, Target Asset Allocation Percentage 50.00%pki_DefinedBenefitTargetAssetAllocationPercentage
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
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/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember		    
Scenario, Forecast [Member] | Minimum [Member] | Trading Assets, Excluding Debt and Equity Securities [Member] | Foreign Pension Plans, Defined Benefit [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit, Target Asset Allocation Percentage 0.00%pki_DefinedBenefitTargetAssetAllocationPercentage
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Scenario, Forecast [Member] | Minimum [Member] | Trading Assets, Excluding Debt and Equity Securities [Member] | United States Pension Plans of US Entity, Defined Benefit [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit, Target Asset Allocation Percentage 0.00%pki_DefinedBenefitTargetAssetAllocationPercentage
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Scenario, Forecast [Member] | Maximum [Member] | Equity Securities [Member] | Foreign Pension Plans, Defined Benefit [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit, Target Asset Allocation Percentage 55.00%pki_DefinedBenefitTargetAssetAllocationPercentage
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Scenario, Forecast [Member] | Maximum [Member] | Equity Securities [Member] | United States Pension Plans of US Entity, Defined Benefit [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit, Target Asset Allocation Percentage 50.00%pki_DefinedBenefitTargetAssetAllocationPercentage
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Scenario, Forecast [Member] | Maximum [Member] | Debt Securities [Member] | Foreign Pension Plans, Defined Benefit [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit, Target Asset Allocation Percentage 55.00%pki_DefinedBenefitTargetAssetAllocationPercentage
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Scenario, Forecast [Member] | Maximum [Member] | Debt Securities [Member] | United States Pension Plans of US Entity, Defined Benefit [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit, Target Asset Allocation Percentage 60.00%pki_DefinedBenefitTargetAssetAllocationPercentage
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Scenario, Forecast [Member] | Maximum [Member] | Trading Assets, Excluding Debt and Equity Securities [Member] | Foreign Pension Plans, Defined Benefit [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit, Target Asset Allocation Percentage 5.00%pki_DefinedBenefitTargetAssetAllocationPercentage
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Scenario, Forecast [Member] | Maximum [Member] | Trading Assets, Excluding Debt and Equity Securities [Member] | United States Pension Plans of US Entity, Defined Benefit [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit, Target Asset Allocation Percentage 5.00%pki_DefinedBenefitTargetAssetAllocationPercentage
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