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Commitments and Contingencies Commitments and Contingencies Disclosure (Details) (Nuisance Lawsuit, USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014
Nuisance Lawsuit
Loss Contingencies [Line Items]
Loss Contingency, Lawsuit Filing Date	January 2012
Accounts Payable and Accrued Liabilities	$ 2.0

Sum of the carrying values as of the balance sheet date of obligations incurred through that date, including liabilities incurred and payable to vendors for goods and services received, taxes, interest, rent and utilities, compensation costs, payroll taxes and fringe benefits (other than pension and postretirement obligations), contractual rights and obligations, and statutory obligations.

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