Interest and Other Expenses (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Interest and Other Expenses [Abstract]
Interest expense	$ 9.6	$ 7.9	$ 27.5	$ 28.9
Interest income	(1.4)	(0.9)	(3.4)	(2.7)
Foreign exchange loss (gain)	0.7	(0.3)	(1.4)	1.5
Miscellaneous expense (income), net	1.0	(1.3)	4.3	(0.5)
Interest and other expenses	$ 9.9	$ 5.4	$ 27.0	$ 27.2