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Accounting Pronouncements Employee Share-Based Payment (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2016 USD ($)
Accounting Policies [Abstract] |
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification | $ 24.8

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- Definition Represents the quantification of the effect of adopting the new accounting standard or change in accounting principle expected by the entity to have a significant effect on the entity's financial statements. + References No definition available. + Details
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