Derivative Financial Instruments (Narrative) (Details)	6 Months Ended
Sep. 30, 2020
Designated as Hedging Instrument [Member]
Derivative
Maximum Remaining Maturity of Foreign Currency Derivatives	18 months
Not Designated as Hedging Instrument [Member]
Derivative
Maximum Remaining Maturity of Foreign Currency Derivatives	3 months

Maximum amount of time remaining before foreign currency exchange rate derivatives mature or expire, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	us-gaap_MaximumRemainingMaturityOfForeignCurrencyDerivatives1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration