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Basis of Presentation Increase to Cash Flow from Investing Abstract (Details) $ in Millions | 9 Months Ended
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Sep. 30, 2017 USD ($)
Increase to Cash from Investing Activity [Abstract] |
ASU 2016-18 Reclassification Adjustment | $ 10.8

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- Definition Increase to Cash from Investing Activity [Abstract] + References No definition available. + Details
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- Definition The amount of a reclassification adjustment made to prior period financial statement amounts. + References No definition available. + Details
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