Derivatives And Hedging Activities (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Derivative [Line Items]
Unrealized Gain (Loss) on Foreign Currency Derivatives, Net, before Tax	$ (14.4)
Derivative, Fair Value, Net	5.4
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	1.4
Foreign Exchange Forward [Member]
Derivative [Line Items]
Derivative, Notional Amount	8.9	$ 24.8
Cash Flow Hedges [Member] \| Interest Rate Swap [Member]
Derivative [Line Items]
Derivative, Notional Amount	370.0
Derivative, Gain (Loss) on Derivative, Net	$ 2.5

Fair value of the assets less the liabilities of a derivative or group of derivatives.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
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Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
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Nominal or face amount used to calculate payment on derivative.

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Amount of unrealized gain (loss) related to derivatives designated as cash flow hedging instruments, recorded in results of operations to the extent that the cash flow hedge is determined to be ineffective.

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Amount of net unrealized gain (loss) related to the change in fair value of foreign currency exchange rate derivatives designated as cash flow hedging instruments. Recorded in accumulated other comprehensive income to the extent that the cash flow hedge is determined to be effective.

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