Restructuring and Other Items (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Restructuring and Other Items [Abstract]
Increase in contingent consideration liability	$ 0.2	$ 0.2	$ 0.2	$ 0.4
Restructuring and related charges:
Severance and post-employment benefits	0	(0.2)	0	(0.2)
Impairments and asset write-offs	0	0.3	0	0.4
Other restructuring charges	0	0.2	0	0.5
Total restructuring and related charges	0	0.3	0	0.7
Impairment charge	0	3.4	0	3.4
Development income	(0.5)	(3.8)	(0.8)	(3.8)
Acquisition-related contingencies	0.2	0.2	0.2	0.4
Foreign exchange and other	(0.5)	0.4	0	(0.4)
Total restructuring and other items	(0.8)	0.5	(0.6)	0.3
Severance and benefits [Member]
Restructuring Reserve [Roll Forward]
Balance, beginning of period			2.8
Cash payments			(2.6)
Balance, end of period	$ 0.2		$ 0.2