Basis of Presentation (Details) (Parent Company, USD $) In Millions, unless otherwise specified	Jan. 28, 2011
Parent Company
Basis of Presentation [Line Items]
Aggregrate purchase price of company	$ 403.5
Portion financed by debt	$ 560.0

Merger Agreement, Cost of Acquired Entity, Portion Financed by Debt

No definition available.

Name:	pymr_MergerAgreementCostOfAcquiredEntityPortionFinancedByDebt
Namespace Prefix:	pymr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant