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Schedule of Finite and Indefinite-lived Intangible Assets (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 27, 2014
Sep. 28, 2013
Sep. 27, 2014
Sep. 28, 2013
Dec. 28, 2013
Goodwill [Line Items]          
Amortization of Intangible Assets $ 1,274us-gaap_AmortizationOfIntangibleAssets $ 1,677us-gaap_AmortizationOfIntangibleAssets $ 7,773us-gaap_AmortizationOfIntangibleAssets $ 4,910us-gaap_AmortizationOfIntangibleAssets  
Total gross finite-lived intangible assets 175,771us-gaap_FiniteLivedIntangibleAssetsGross   175,771us-gaap_FiniteLivedIntangibleAssetsGross   160,778us-gaap_FiniteLivedIntangibleAssetsGross
Accumulated amortization (38,930)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization   (38,930)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization   (26,291)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Total net finite-lived intangible assets 136,841us-gaap_FiniteLivedIntangibleAssetsNet   136,841us-gaap_FiniteLivedIntangibleAssetsNet   134,487us-gaap_FiniteLivedIntangibleAssetsNet
Total 171,753pymr_FiniteLivedAndIndefiniteLivedIntangibleAssets   171,753pymr_FiniteLivedAndIndefiniteLivedIntangibleAssets   169,399pymr_FiniteLivedAndIndefiniteLivedIntangibleAssets
Amortization of Financing Costs 1,670us-gaap_AmortizationOfFinancingCosts 607us-gaap_AmortizationOfFinancingCosts 3,970us-gaap_AmortizationOfFinancingCosts 1,821us-gaap_AmortizationOfFinancingCosts  
Total 2,944pymr_AmortizationofIntangibleAssetsandFinancingCosts 2,284pymr_AmortizationofIntangibleAssetsandFinancingCosts 11,743pymr_AmortizationofIntangibleAssetsandFinancingCosts 6,731pymr_AmortizationofIntangibleAssetsandFinancingCosts  
Trade names          
Goodwill [Line Items]          
Tradenames (indefinite-lived) 34,912us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TradeNamesMember
  34,912us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TradeNamesMember
  34,912us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TradeNamesMember
Technology          
Goodwill [Line Items]          
Total gross finite-lived intangible assets 63,726us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TechnologyBasedIntangibleAssetsMember
  63,726us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TechnologyBasedIntangibleAssetsMember
  63,705us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TechnologyBasedIntangibleAssetsMember
Customer relationships          
Goodwill [Line Items]          
Total gross finite-lived intangible assets 64,339us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember
  64,339us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember
  60,078us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember
Loan acquisition costs          
Goodwill [Line Items]          
Total gross finite-lived intangible assets 40,618us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= pymr_LoanAcquisitionsCostsMember
  40,618us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= pymr_LoanAcquisitionsCostsMember
  30,067us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= pymr_LoanAcquisitionsCostsMember
Other intangibles, principally patents          
Goodwill [Line Items]          
Total gross finite-lived intangible assets $ 7,088us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_OtherIntangibleAssetsMember
  $ 7,088us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_OtherIntangibleAssetsMember
  $ 6,928us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_OtherIntangibleAssetsMember