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Derivative Instruments And Hedging Activities (Narrative) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2013
Derivative Instruments And Hedging Activities [Abstract]
Derivatives reclassified as increase to interest expense	$ 6.4
Fair value of derivative net liability position	11.8
Derivative counterparty posted collateral against obligation	$ 24.0

Fair value of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, elected not to be offset against a right to receive collateral under a master netting arrangement.

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