Segment Information (Details) (USD $) In Millions	3 Months Ended	9 Months Ended
Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Reportable Segment Information, Reconciled to Consolidated [Line Items]
Net sales	$ 293.6	$ 271.4	$ 896.9	$ 827.9
Total operating profit	26.1	25.3	82.6	84.8
Interest expense	4.5	4.2	13.8	12.1
Interest income	(0.4)	(0.1)	(0.9)	(0.3)
Income before income taxes	22.0	21.2	69.7	73.0
Separation costs, former President and COO			2.1
Packaging Systems [Member]
Reportable Segment Information, Reconciled to Consolidated [Line Items]
Net sales	209.1	191.5	647.1	591.3
Total operating profit	34.8	29.4	114.9	106.8
Delivery Systems [Member]
Reportable Segment Information, Reconciled to Consolidated [Line Items]
Net sales	84.5	81.0	251.4	239.9
Total operating profit	1.7	3.6	5.9	8.5
Intersegment [Member]
Reportable Segment Information, Reconciled to Consolidated [Line Items]
Net sales	0	(1.1)	(1.6)	(3.3)
Corporate [Member]
Reportable Segment Information, Reconciled to Consolidated [Line Items]
Total operating profit	(9.1)	(9.3)	(32.2)	(31.1)
Other Unallocated Items [Member]
Reportable Segment Information, Reconciled to Consolidated [Line Items]
Total operating profit	$ (1.3)	$ 1.6	$ (6.0)	$ 0.6

Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

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The cost of borrowed funds accounted for as interest that was charged against earnings during the period.

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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Separation costs related to the retirement of the former President and COO, which consist primarily of stock-based compensation expense. Amendments were made to the respective equity compensation arrangements to allow certain awards to continue to vest instead of being forfeited upon separation, resulting in a revaluation of the awards and acceleration of expense.

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