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Inventories, Net Narrative (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2014
Dec. 28, 2013
Nov. 15, 2013
Jun. 11, 2014
Business Acquisition [Line Items]        
Obsolete and slow-moving inventories, net of reserves $ 7.8us-gaap_InventoryValuationReserves $ 3.3us-gaap_InventoryValuationReserves    
Parent Company        
Business Acquisition [Line Items]        
Increase in carrying value of inventory     9.7pymr_MergerAgreementRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIncreaseInCarryingValueOfInventory
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember		  
Companhia Providencia Industria e Comercio [Member]        
Business Acquisition [Line Items]        
Increase in carrying value of inventory       $ 4.5pymr_MergerAgreementRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIncreaseInCarryingValueOfInventory
/ us-gaap_BusinessAcquisitionAxis
= pymr_CompanhiaProvidenciaIndustriaeComercioMember