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Commitments and Contingencies (Details) - Unfavorable Regulatory Action [Member]
$ in Millions
1 Months Ended
Oct. 31, 2015
USD ($)
Mar. 31, 2016
USD ($)
Dec. 31, 2000
assessment
Raw Materials Assessment [Member]      
Loss Contingencies [Line Items]      
Number of assessments from the tax authorities regarding ICMS taxes | assessment     2
Number of tax assessments related to periods that predated acquisition and are covered by indemnification | assessment     1
Loss contingency, loss in period $ 16.0    
Electricity Assessment [Member]      
Loss Contingencies [Line Items]      
Number of assessments from the tax authorities regarding ICMS taxes | assessment     3
Maximum [Member] | Raw Materials Assessment [Member]      
Loss Contingencies [Line Items]      
Loss contingency, range of possible loss $ 12.0    
Maximum [Member] | Second Electricity Assessment [Member]      
Loss Contingencies [Line Items]      
Loss contingency, range of possible loss   $ 7.6  
Maximum [Member] | Electricity Assessment One [Member]      
Loss Contingencies [Line Items]      
Loss contingency, range of possible loss   4.4  
Maximum [Member] | Third Electricity Assessment [Member]      
Loss Contingencies [Line Items]      
Loss contingency, range of possible loss   $ 3.4