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Fair Value Measurement - Fair Value of Assets (Liabilities) Not Measured at Fair Value In Consolidated Balance Sheet - Additional Information (Details) - USD ($)
$ in Millions
Sep. 30, 2016
Dec. 31, 2015
Long-term Debt    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long term debt, carrying value $ 350.0 $ 375.0