Goodwill And Acquisition-Related Intangibles, Net (Narrative) (Details)	6 Months Ended	32 Months Ended	47 Months Ended
Sep. 30, 2014 Minimum	Sep. 30, 2014 Maximum	Feb. 28, 2017 Weighted Average	Feb. 28, 2017 Weighted Average
Finite-Lived Intangible Assets
Finite-Lived Intangible Asset, Useful Life	2 years	14 years
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life			3 years 1 month	3 years 5 months

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275

Name:	us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration