Commitments and Contingencies Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended	10 Months Ended
	Sep. 30, 2013	Sep. 30, 2013	Oct. 31, 2013
Loss Contingencies [Line Items]
Environmental Remediation Expense	$ 28.0	$ 98.0
Accrual for Environmental Loss Contingencies	31.3	31.3
Environmental Remediation Expense Incurred To Date			$ 85
Minimum [Member]
Loss Contingencies [Line Items]
Estimated Percentage of Environmental Remediation Expense Estimate to be Recovered Through Insurance Proceeds	33.00%	33.00%
Maximum [Member]
Loss Contingencies [Line Items]
Estimated Percentage of Environmental Remediation Expense Estimate to be Recovered Through Insurance Proceeds	67.00%	67.00%