Goodwill And Acquisition-Related Intangibles, Net (Narrative) (Details) |
6 Months Ended | 12 Months Ended |
|---|---|---|
Sep. 30, 2016 |
Mar. 31, 2016 |
|
| Minimum | ||
| Finite-Lived Intangible Assets | ||
| Finite-Lived Intangible Asset, Useful Life | 2 years | |
| Maximum | ||
| Finite-Lived Intangible Assets | ||
| Finite-Lived Intangible Asset, Useful Life | 14 years | |
| Weighted Average | ||
| Finite-Lived Intangible Assets | ||
| Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 1 year 7 months | 1 year 7 months |