Restructuring and Other Items (Details) (USD $) In Millions	3 Months Ended		6 Months Ended			1 Months Ended	6 Months Ended	12 Months Ended	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011 Severance and benefits [Member]	Dec. 31, 2010 2010 Program [Member]	Jun. 30, 2011 2010 Program [Member]	Dec. 31, 2011 2010 Program [Member]	Jun. 30, 2010 2009 Program [Member]	Jun. 30, 2011 Other Costs [Member]
Restructuring and Other Items [Abstract]
Severance and post-employment benefits	$ 0.3	$ 0	$ 1.7	$ 0.4
Impairments and asset write-offs	0.4	0.3	0.7	0.4
Other restructuring charges	0.6	0.1	0.8	0.2
Total restructuring and related charges	1.3	0.4	3.2	1.0
Acquisition-related contingencies	(0.7)	0	(0.7)	0
Foreign exchange losses and other	0.4	0.8	0.2	1.5
Total restructuring and other items	1.0	1.2	2.7	2.5
Restructuring Obligation [Roll forward]
Beginning Balance			10.2		10.2					0
Charges			2.5		1.7					0.8
Cash payments			(3.1)		(2.3)					(0.8)
Foreign currency translation adjustments			(0.1)		(0.1)					0
Ending Balance	9.5		9.5		9.5					0
Expected total restructuring and related charges, low end of range							22.0
Expected total restructuring and related charges, high end of range							23.0
Expected cash expenditures, lower range							15.0
Expected cash expenditures, upper range							16.0
Expected non-cash charges							7.0
Restructuring costs incurred to date						14.5	3.2		1.0
Expected total restructuring and related charges								5.0
Reduction of eris contingent consideration liability	(0.8)
Contingent consideration liability - eris	$ 0		$ 0