Restructuring and Other Items (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Restructuring and related charges (reversals):
Severance and post-employment benefits	$ (1.1)	$ (0.3)	$ (1.3)	$ 1.5
Impairments and asset write-offs	2.0	0.3	2.4	1.0
Other restructuring charges	0.2	1.0	0.7	1.8
Total restructuring and related charges	1.1	1.0	1.8	4.3
Impairment charge	0	0	3.4	0
Development income	(0.4)	0	(4.2)	0
Acquisition-related contingencies	0.5	0.3	0.9	(0.4)
Special separation benefits	0	0	0	2.1
Foreign exchange and other	1.0	0.6	0.6	0.8
Total restructuring and other items	2.2	1.9	2.5	6.8
Cancellation of restructuring initiative at one of our plants in Europe	1.7
Expected total restructuring and related charges			0.2
Restructuring Reserve [Roll Forward]
Balance, beginning of period			6.8
Charges (reversals), net			1.8
Cash payments			(2.9)
Non-cash adjustment			(1.9)
Balance, end of period	3.8		3.8
Increase in contingent consideration liability	0.5	0.2	0.9	0.3
Reduction in contingent consideration liability				0.8
Contingent consideration liability		0		0
Severance and benefits [Member]
Restructuring Reserve [Roll Forward]
Balance, beginning of period			6.2
Charges (reversals), net			(1.3)
Cash payments			(1.7)
Non-cash adjustment			0.5
Balance, end of period	3.7		3.7
Other Costs [Member]
Restructuring Reserve [Roll Forward]
Balance, beginning of period			0.6
Charges (reversals), net			3.1
Cash payments			(1.2)
Non-cash adjustment			(2.4)
Balance, end of period	0.1		0.1
England Manufacturing Facility [Member]
Restructuring and related charges (reversals):
Impairments and asset write-offs	$ 1.5