Restructuring and Other Items (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Restructuring and Related Activities [Abstract]
Severance and post-employment benefits	$ 0	$ (1.2)	$ 2.3
Impairments and asset write-offs	0	2.4	0
Other restructuring charges	0	0.9	3.0
Total restructuring and related charges	0	2.1	5.3
Impairment charge	0	3.4	0
Development income	(2.0)	(6.5)	0
Acquisition-related contingencies	1.0	1.2	(0.2)
Special separation benefits	0	0	2.9
Foreign exchange and other	0.5	1.1	1.5
Total restructuring and other items	$ (0.5)	$ 1.3	$ 9.5