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Description of Business and Summary of Significant Accounting Policies (Variable Interest Entity) (Details) - Variable Interest Entity, Primary Beneficiary [Member]
$ in Millions
12 Months Ended
Dec. 31, 2015
USD ($)
Variable Interest Entity [Line Items]  
Ownership Percentage 40.00%
Carrying Amount, Assets and Liabilities $ 16.9
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities $ 0.2