Segment Information (Sales by Product Group) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Segment Reporting, Revenue Reconciling Items [Line Items]
Net sales	$ 1,266.4	$ 1,192.3	$ 1,104.7
Packaging Systems [Member]
Segment Reporting, Revenue Reconciling Items [Line Items]
Net sales	915.1	857.4	785.0
Delivery Systems [Member]
Segment Reporting, Revenue Reconciling Items [Line Items]
Net sales	352.1	336.7	324.1
Intersegment Elimination [Member]
Segment Reporting, Revenue Reconciling Items [Line Items]
Net sales	(0.8)	(1.8)	(4.4)
Proprietary Products [Member] | Delivery Systems [Member]
Segment Reporting, Revenue Reconciling Items [Line Items]
Net sales	77.0	67.4	62.2
Contract Manufacturing [Member] | Delivery Systems [Member]
Segment Reporting, Revenue Reconciling Items [Line Items]
Net sales	$ 275.1	$ 269.3	$ 261.9