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Derivatives And Hedging Activities (Narrative) (Details) - USD ($) $ in Millions	6 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Derivative [Line Items]
Net unrealized gain on foreign currency derivatives designated as cash flow hedges	$ 0.3
Foreign Exchange Forward [Member]
Derivative [Line Items]
Notional amount of derivative contracts	29.3	$ 114.0
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

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ 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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959

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