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PENSION AND OTHER POSTRETIREMENT BENEFITS (Schedule of Plan Asset Allocations) (Details)
Dec. 28, 2014
Dec. 29, 2013
Defined Benefit Plan Disclosure [Line Items]    
Total assets 100.00%us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations 100.00%us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
Cash and cash equivalents [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Total assets 0.00%us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_CashAndCashEquivalentsMember		 0.00%us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_CashAndCashEquivalentsMember
Equity securities [Member] | Pooled separate accounts [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Total assets 6.00%us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_EquitySecuritiesMember
/ us-gaap_InvestmentSecondaryCategorizationAxis
= ppc_PooledSeparateAccountsMember		 8.00%us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_EquitySecuritiesMember
/ us-gaap_InvestmentSecondaryCategorizationAxis
= ppc_PooledSeparateAccountsMember
Equity securities [Member] | Common collective trusts funds [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Total assets 60.00%us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_EquitySecuritiesMember
/ us-gaap_InvestmentSecondaryCategorizationAxis
= ppc_CommonCollectiveTrustFundsMember		 60.00%us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_EquitySecuritiesMember
/ us-gaap_InvestmentSecondaryCategorizationAxis
= ppc_CommonCollectiveTrustFundsMember
Fixed income securities [Member] | Pooled separate accounts [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Total assets 6.00%us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_DebtSecuritiesMember
/ us-gaap_InvestmentSecondaryCategorizationAxis
= ppc_PooledSeparateAccountsMember		 3.00%us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_DebtSecuritiesMember
/ us-gaap_InvestmentSecondaryCategorizationAxis
= ppc_PooledSeparateAccountsMember
Fixed income securities [Member] | Common collective trusts funds [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Total assets 28.00%us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_DebtSecuritiesMember
/ us-gaap_InvestmentSecondaryCategorizationAxis
= ppc_CommonCollectiveTrustFundsMember		 29.00%us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_DebtSecuritiesMember
/ us-gaap_InvestmentSecondaryCategorizationAxis
= ppc_CommonCollectiveTrustFundsMember