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Derivatives And Hedging Activities (Narrative) (Details) - USD ($) $ in Millions	9 Months Ended
	Dec. 31, 2018	Mar. 31, 2018	Dec. 31, 2017
Derivative [Line Items]
Net unrealized loss on foreign currency derivatives designated as cash flow hedges	$ (1.2)
Foreign Exchange Forward [Member]
Derivative [Line Items]
Notional amount of derivative contracts	38.7	$ 27.3	$ 21.2
Cash Flow Hedging [Member] | Interest Rate Swap [Member]
Derivative [Line Items]
Notional amount of derivative contracts	$ 370.0

X

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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- Definition

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+ References

No definition available.

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- Definition

Amount of unrealized loss recorded in accumulated other comprehensive income pertaining to the decrease in fair value of foreign currency exchange rate derivatives designated as cash flow hedging instruments to the extent that a cash flow hedge is determined to be effective.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959

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