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Basis of Presentation Basis of Presentation (Details) (Selling, General and Administrative Expenses, USD $)
In Millions, unless otherwise specified
 3 Months Ended
Mar. 31, 2015
Selling, General and Administrative Expenses
  
Prior Period Reclassification Adjustment $ 0.5us-gaap_PriorPeriodReclassificationAdjustment
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember