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Contingencies, Environmental and Legal Matters (Details 2) (USD $)
0 Months Ended 3 Months Ended 0 Months Ended
Feb. 19, 2015
Mar. 31, 2015
Feb. 13, 2015
Apr. 03, 2015
Dec. 31, 2014
Mar. 31, 2014
Dec. 31, 2013
Loss Contingencies [Line Items]              
Asset retirement obligations   $ 17,400,000us-gaap_AssetRetirementObligation     $ 18,500,000us-gaap_AssetRetirementObligation $ 4,900,000us-gaap_AssetRetirementObligation $ 4,800,000us-gaap_AssetRetirementObligation
Reserves for environmental matters   4,300,000pah_ReservesForEnvironmentalContingencies     4,500,000pah_ReservesForEnvironmentalContingencies    
Estimate of possible loss in legal proceedings   7,200,000us-gaap_LossContingencyEstimateOfPossibleLoss     4,400,000us-gaap_LossContingencyEstimateOfPossibleLoss    
Settled Litigation [Member]              
Loss Contingencies [Line Items]              
Settlement amount 25,000,000us-gaap_LitigationSettlementAmount
/ us-gaap_LitigationStatusAxis
= us-gaap_SettledLitigationMember
           
Agricola Colonet, SA de CV [Member] | Pending Litigation [Member]              
Loss Contingencies [Line Items]              
Compensation sought   11,300,000us-gaap_LossContingencyDamagesSoughtValue
/ us-gaap_LitigationCaseAxis
= pah_AgricolaColonetSAdeCVMember
/ us-gaap_LitigationStatusAxis
= us-gaap_PendingLitigationMember
         
Arysta [Member]              
Loss Contingencies [Line Items]              
Series B preferred stock issued (in shares)     600,000,000us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable
/ us-gaap_BusinessAcquisitionAxis
= pah_ArystaMember
       
Maximum share conversion (in shares)     22,107,590us-gaap_ConversionOfStockSharesConverted1
/ us-gaap_BusinessAcquisitionAxis
= pah_ArystaMember
       
Maximum share conversion amount     600,000,000us-gaap_ConversionOfStockAmountConverted1
/ us-gaap_BusinessAcquisitionAxis
= pah_ArystaMember
       
Volume weighted average price period     10 days        
Arysta [Member] | Series B Preferred Stock [Member]              
Loss Contingencies [Line Items]              
Series B preferred stock issued (in shares)     600,000,000us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable
/ us-gaap_BusinessAcquisitionAxis
= pah_ArystaMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
       
Subsequent Event [Member] | Settled Litigation [Member]              
Loss Contingencies [Line Items]              
Amount awarded       $ 16,000,000us-gaap_LossContingencyDamagesAwardedValue
/ us-gaap_LitigationStatusAxis
= us-gaap_SettledLitigationMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember