Affiliated Companies (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Schedule of Equity Method Investments [Line Items]
Ownership interest (in hundredths)	49.00%
Unremitted income of affiliated companies	$ 37.5	$ 31.5	$ 27.4
Dividends received from affiliated companies	0.3	0.3	0.3
Unrealized (gains) losses on securities of affiliates	(0.4)	(0.1)	0.5
Purchases and royalty payments made to affiliates	66.4	49.3	45.4
Purchases and royalty due and payable	9.2	4.3
Sales to affiliates	4.5	2.4	1.9
Due from affiliates	1.3	0.5
Investments in equity method affiliates	$ 56.2	$ 48.2
Aluplast S.A. de C.V. [Member]
Schedule of Equity Method Investments [Line Items]
Ownership interest (in hundredths)	49.00%
Pharma Tap S.A. de C.V. [Member]
Schedule of Equity Method Investments [Line Items]
Ownership interest (in hundredths)	49.00%
Daikyo Seiko, Ltd. [Member]
Schedule of Equity Method Investments [Line Items]
Ownership interest (in hundredths)	25.00%