Segment Information (Textuals) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended			3 Months Ended	12 Months Ended
	Dec. 31, 2012 segment	Dec. 31, 2011	Dec. 31, 2010	Jun. 30, 2012 Convertible Debt Due 2047 [Member]	Dec. 31, 2012 Packaging Systems [Member] segment
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Number of reportable segments	2
Number of operating segments					3
Loss on debt extinguishment	$ (11.6)	$ 0	$ 0	$ (11.6)	$ 0