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Software Development Costs (Narrative) (Details) - USD ($)
$ in Millions
9 Months Ended 12 Months Ended
Dec. 31, 2015
Mar. 31, 2015
Software Development Costs    
Software costs capitalized during the period $ 1.3 $ 1.1
Total capitalized software costs 2.8 1.5
Accumulated software costs amortization 0.1 0.0
Software Development    
Software costs capitalized during the period 1.3 1.5
Property and equipment 1.0 0.8
Long-term assets charged to other assets $ 1.8 $ 0.7