Summary of Significant Accounting Policies, Revenue Recognition and Segment Reporting (Details) $ in Millions	12 Months Ended
Mar. 31, 2018 USD ($) Segment	Mar. 31, 2017 USD ($)	Mar. 31, 2016 USD ($)
Segment Reporting [Abstract]
Number of reportable segments \| Segment	1
ASU 2014-09 [Member] \| Maximum [Member]
Revenue Recognition [Abstract]
Increase (decrease) in anticipated revenue \| $	$ (0.4)	$ (0.9)	$ 2.0

Represents the quantification of the effect of adopting the new accounting standard or change in accounting principle expected by the entity to have a significant effect on the entity's financial statements.

No definition available.

Name:	us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration