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Debt - Schedule of Effective Interest Rates (Details)
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Debt Disclosure [Abstract]      
Including the impact of interest rate swaps 4.48% 5.43% 6.86%
Excluding the impact of interest rate swaps 4.48% 4.89% 6.21%