Restructuring Plans - Reserve Rollforward (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
Restructuring Reserve [Roll Forward]
Beginning balance			$ 12.2
Additional accruals	4.9	0	10.5	0.3
Cash payments			(11.2)
Non-cash expense			(0.9)
Ending balance	10.6		10.6
Employee Termination Costs
Restructuring Reserve [Roll Forward]
Beginning balance			9.3
Additional accruals	4.2		8.1
Cash payments			(9.1)
Non-cash expense			(0.1)
Ending balance	8.2		8.2
Property Costs
Restructuring Reserve [Roll Forward]
Beginning balance			2.8
Additional accruals	0.6		0.6
Cash payments			(0.5)
Non-cash expense			(0.8)
Ending balance	2.1		2.1
Other
Restructuring Reserve [Roll Forward]
Beginning balance			0.1
Additional accruals	0.1		1.8
Cash payments			(1.6)
Non-cash expense			0
Ending balance	$ 0.3		$ 0.3