Interest and Other Expenses (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Interest and Other Expenses [Abstract]
Interest expense	$ 9.3	$ 10.3	$ 17.9	$ 21.0
Interest income	(1.1)	(0.9)	(2.0)	(1.8)
Foreign exchange (gain) loss	(0.9)	1.4	(2.1)	1.8
Miscellaneous expense (income), net	0.6	(0.5)	3.3	0.8
Interest and other expenses	$ 7.9	$ 10.3	$ 17.1	$ 21.8