Software Development Costs (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Software Development Costs
Software costs capitalized during the period	$ 0	$ 0.8
Total capitalized software costs	1.0	1.0
Accumulated software costs amortization	0.5	0.1
Software Development
Software costs capitalized during the period	1.5	0
Property and equipment	0.8
Long-term assets charged to other assets	$ 0.7