Restructuring and Other Items (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Restructuring and Other Items [Abstract]
Increase in contingent consideration liability		$ 0.2
Restructuring and related charges:
Impairments and asset write-offs	0	0.2
Other restructuring charges	0	0.2
Total restructuring and related charges	0	0.4
Development income	(0.3)	0
Acquisition-related contingencies	0	0.2
Foreign exchange and other	0.5	(0.8)
Total restructuring and other items	0.2	(0.2)
Severance and benefits [Member]
Restructuring Reserve [Roll Forward]
Balance, beginning of period	2.8
Cash payments	(1.5)
Balance, end of period	$ 1.3