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Derivative Instruments and Risk Management Activities (Tables) | 9 Months Ended
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Sep. 30, 2015
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Amount of Unrealized Gain, Net of Tax, Recognized in Other Comprehensive Income | ectively, related to these interest rate swaps. The following table presents the impact during the current and comparative prior year periods for the Company's derivative financial instruments on its Consolidated Statements

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- Definition Tabular disclosure of the effective portion of the gains and losses on derivative instruments designated (and non-derivative instruments) designated and qualifying in cash flow hedges and net investment hedges that was recognized in other comprehensive income (loss) during the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959 + Details
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