Restructuring Plans - Reserve Rollforward (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
Restructuring Reserve [Roll Forward]
Beginning balance			$ 12.2
Additional accruals	1.9	0	12.4	0.3
Cash payments			(14.9)
Non-cash expense			1.5
Ending balance	11.2		11.2
Employee Termination Costs
Restructuring Reserve [Roll Forward]
Beginning balance			9.3
Additional accruals	1.4		9.5
Cash payments			(12.1)
Non-cash expense			0.5
Ending balance	7.2		7.2
Property Costs
Restructuring Reserve [Roll Forward]
Beginning balance			2.8
Additional accruals	0.4		1.0
Cash payments			(0.9)
Non-cash expense			(0.6)
Ending balance	2.3		2.3
Other
Restructuring Reserve [Roll Forward]
Beginning balance			0.1
Additional accruals	0.1		1.9
Cash payments			(1.9)
Non-cash expense			1.6
Ending balance	$ 1.7		$ 1.7