Commitments and Contingencies (Narrative) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Sep. 30, 2014
Property Subject to or Available for Operating Lease [Line Items]
Minimum Amount Of Additional Compensation	$ 2
Lake Forest Facility [Member]
Property Subject to or Available for Operating Lease [Line Items]
Area Of Lease	11,900
Minimum Notice Period To Cancel Lease	120 days