XML 116 R64.htm IDEA: XBRL DOCUMENT v2.4.1.9
Property, Plant and Equipment Property, Plant and Equipment (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2014
Sep. 30, 2014
Sep. 30, 2013
Dec. 31, 2013
Property, Plant and Equipment [Abstract]        
Property, Plant and Equipment, Disposals   $ 257.0us-gaap_PropertyPlantAndEquipmentDisposals    
Asset Retirement Charges   0.2us-gaap_ProductionRelatedImpairmentsOrCharges   19.8us-gaap_ProductionRelatedImpairmentsOrCharges
Property, Plant and Equipment, Gross 48.1us-gaap_PropertyPlantAndEquipmentGross      
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment (44.4)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment      
Property, Plant and Equipment, Net 3.7us-gaap_PropertyPlantAndEquipmentNet      
Depreciation (0.2)us-gaap_Depreciation   (4.0)us-gaap_Depreciation (23.3)us-gaap_Depreciation
Property, Plant and Equipment, Transfers and Changes 1.8us-gaap_PropertyPlantAndEquipmentTransfersAndChanges 8.9us-gaap_PropertyPlantAndEquipmentTransfersAndChanges    
Accumulated Depreciation, Depletion and Amortization, Sale or Disposal of Property, Plant and Equipment 0.5us-gaap_AccumulatedDepreciationDepletionAndAmortizationSaleOfPropertyPlantAndEquipment 3.2us-gaap_AccumulatedDepreciationDepletionAndAmortizationSaleOfPropertyPlantAndEquipment    
Net gains on sales of assets and property 1.3us-gaap_GainLossOnDispositionOfAssets 5.7us-gaap_GainLossOnDispositionOfAssets    
Proceeds from Sale of Property, Plant, and Equipment $ 2.1us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment $ 8.4us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment