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Restructuring and Impairments, Net (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended 12 Months Ended
Dec. 31, 2014
Mar. 31, 2014
Position
Restructuring Cost and Reserve [Line Items]    
Restructuring Charges $ 4,419us-gaap_RestructuringCharges  
Restructuring and Related Cost, Number of Positions Eliminated   42us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated
Gain on Asset Sales / Impairments, net 13,491us-gaap_AssetImpairmentCharges  
Employee Severance [Member]    
Restructuring Cost and Reserve [Line Items]    
Restructuring Charges 2,208us-gaap_RestructuringCharges
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_EmployeeSeveranceMember
 
Facility Closing    
Restructuring Cost and Reserve [Line Items]    
Restructuring Charges $ 2,211us-gaap_RestructuringCharges
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_FacilityClosingMember