Segment Information (Schedule Of Earnings Of Equity Affiliates) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
Income related to previously owned equity affiliates	$ 26.9	$ 23.4	$ 152.0

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item also includes gains related to the sale of the equity method investment.

No definition available.

Name:	pol_IncomeLossFromEquityMethodInvestment
Namespace Prefix:	pol_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration