Segment Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Reportable segments			2
Net sales	$ 341.8	$ 303.8	$ 1,025.7	$ 944.9
Operating profit	39.7	26.3	125.5	103.6
Loss on debt extinguishment	0	0	0.2	11.6
Interest expense	4.4	4.4	13.1	13.2
Interest income	0.4	0.5	1.4	1.5
Income before income taxes	35.7	22.4	113.6	80.3
Packaging Systems [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net sales	251.5	215.9	754.5	687.4
Operating profit	54.6	39.2	170.0	143.4
Delivery Systems [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net sales	90.8	88.2	272.3	258.1
Operating profit	(0.1)	4.7	3.4	12.5
Intersegment Sales [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net sales	(0.5)	(0.3)	(1.1)	(0.6)
Corporate [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating profit	(14.8)	(16.0)	(47.9)	(46.2)
Other Unallocated Items [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating profit	$ 0	$ (1.6)	$ 0	$ (6.1)