Goodwill and Intangible Assets (Goodwill) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Goodwill [Roll Forward]
Balance	$ 111.5	$ 112.5
Foreign currency translation	1.0	(1.0)
Balance	112.5	111.5
Packaging Systems [Member]
Goodwill [Roll Forward]
Balance	35.9	36.6
Foreign currency translation	0.8	(0.7)
Balance	36.7	35.9
Delivery Systems [Member]
Goodwill [Roll Forward]
Balance	75.6	75.9
Foreign currency translation	0.2	(0.3)
Balance	$ 75.8	$ 75.6