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Debt (Narrative - Capital Lease Obligations) (Details)
9 Months Ended
Dec. 31, 2016
Debt Instrument [Line Items]  
Capital leases, period of lease agreement 10 years
Capital lease agreement, imputed annual interest rate 6.40%
Minimum  
Debt Instrument [Line Items]  
Capital lease agreement, imputed annual interest rate 5.50%
Maximum  
Debt Instrument [Line Items]  
Capital lease agreement, imputed annual interest rate 7.00%