Description of the Business (Narrative) (Details) $ in Millions	6 Months Ended
Sep. 30, 2017 USD ($)
Description Of Business Narrative Details
Fiscal Year End Date	--03-31
Assets, net of accumulated amortization reclassified	$ 7.7

End date of current fiscal year in the format --MM-DD.

No definition available.

Name:	dei_CurrentFiscalYearEndDate
Namespace Prefix:	dei_
Data Type:	xbrli:gMonthDayItemType
Balance Type:	na
Period Type:	duration