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Recent Accounting Pronouncements (Details) $ in Millions	Dec. 31, 2014 USD ($)
Adjustments for New Accounting Principle, Early Adoption
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Reclassification of debt issue costs, to long-term debt	$ 5.9

Amount of cumulative effect of the change in accounting principle or new accounting pronouncement on retained earnings or other components of equity or net assets in the statement of financial position as of the beginning of the earliest period presented.

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