Restructuring and Other Items (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Restructuring and related charges [Abstract]
Severance and post-employment benefits	$ 2.3	$ 10.5	$ 3.0
Impairments and asset write-offs	0	5.2	5.3
Other restructuring charges	3.0	0.2	0.4
Total restructuring and related charges	5.3	15.9	8.7
Other items [Abstract]
Acquisition-related contingencies	(0.2)	(1.8)	0
Special separation benefits	2.9	0	0
Brazil tax amnesty benefit	0	0	(2.0)
Foreign exchange (gains) losses and other	1.5	1.7	1.8
Total other items	4.2	(0.1)	(0.2)
Total restructuring and other items	9.5	15.8	8.5
Restructuring Obligation [Roll forward]
Beginning Balance	10.2	2.0
Charges	5.3	10.6
Cash Payments	(8.9)	(2.4)
Non-cash adjustment	0.2
Ending Balance	6.8	10.2	2.0
Severance and post-employment benefits	2.3	10.5	3.0
Other restructuring charges	3.0	0.2	0.4
Purchase price contingent consideration at fair value	2.1	2.3
Acquisition-related contingencies	(0.2)	(1.8)	0
Cost-basis investment impairment charge			0.8
Reduction in contingent consideration liability - eris	0.8	1.8
Increase in contingent consideration liability - SmartDose	0.5
2010 Program [Member]
Restructuring and related charges [Abstract]
Severance and post-employment benefits		10.1
Restructuring Obligation [Roll forward]
Expected total restructuring and related charges	22.0
Expected cash expenditures	17.0
Expected non-cash charges	5.0
Total restructuring and related charges	5.3	14.5
Severance and post-employment benefits		10.1
Impairments and asset write-offs		4.4
2009 Program [Member]
Restructuring and related charges [Abstract]
Severance and post-employment benefits		0.4
Restructuring Obligation [Roll forward]
Total restructuring and related charges		1.4	7.6
Severance and post-employment benefits		0.4
Impairments and asset write-offs		0.8
Other exit costs		0.2
Restructuring and related charges incurred to date		9.0
2007 Program [Member]
Restructuring Obligation [Roll forward]
Total restructuring and related charges			1.1
Severance and benefits [Member]
Restructuring Obligation [Roll forward]
Beginning Balance	10.2	1.9
Charges	2.3	10.4
Cash Payments	(6.3)	(2.1)
Non-cash adjustment	0
Ending Balance	6.2	10.2
Other Costs [Member]
Restructuring Obligation [Roll forward]
Beginning Balance	0	0.1
Charges	3.0	0.2
Cash Payments	(2.6)	(0.3)
Non-cash adjustment	0.2
Ending Balance	$ 0.6	$ 0