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Equity Investments (Details)
€ in Millions, $ in Millions
3 Months Ended
Mar. 31, 2016
EUR (€)
Mar. 31, 2016
USD ($)
Mar. 31, 2015
EUR (€)
Mar. 31, 2015
USD ($)
ITL        
Schedule of Equity Method Investments [Line Items]        
Distribution of capital received € 1.4 $ 1.5 € 3.4 $ 3.8