Pension and Post-retirement Benefit Plans Nine Months Ended (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013		Sep. 30, 2012
Pension Plan, Defined Benefit [Member]
Defined Benefit Plan, Service Cost	$ 1.3		$ 1.4		$ 3.9		$ 4.1
Defined Benefit Plan, Interest Cost	4.0		4.3		12.3		12.9
Defined Benefit Plan, Expected Return on Plan Assets	5.1		4.7		15.7		14.1
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	0.1		0.1		0.3		0.3
Defined Benefit Plan, Amortization of Gains (Losses)	(2.3)		(2.1)		(6.9)		(6.5)
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements and Curtailments	(0.1)		(1.0)		(1.3)		(7.3)
Defined Benefit Plan, Net Periodic Benefit Cost	2.7	[1]	4.2	[1]	9.0	[1]	17.0	[1]
Other Postretirement Benefit Plan, Defined Benefit [Member]
Defined Benefit Plan, Service Cost	0		0		0		0.2
Defined Benefit Plan, Interest Cost	0		0.1		0.1		0.4
Defined Benefit Plan, Expected Return on Plan Assets	0		0		0		0
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	(0.7)		(0.8)		(2.2)		(2.0)
Defined Benefit Plan, Amortization of Gains (Losses)	(0.4)		(0.4)		(1.1)		(1.0)
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements and Curtailments	0		0		0		0
Defined Benefit Plan, Net Periodic Benefit Cost	$ (0.3)	[1]	$ (0.3)	[1]	$ (1.0)	[1]	$ (0.4)	[1]

[1] Pension Expense of $0.1 million and $0.2 million was included in Loss from discontinued operations for the three and nine months ended September 30, 2013, respectively. Pension expense of $0.6 million and $7.0 million was included in Loss from discontinued operations for the three and nine months ended September 30, 2012, respectively.