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
-Paragraph 10
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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

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
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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
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-SubTopic 10
-Section 50
-Paragraph 4C
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Derivatives And Hedging Activities (Narrative) (Details) - USD ($) $ in Millions	6 Months Ended
	Sep. 30, 2019	Mar. 31, 2019	Sep. 30, 2018
Foreign Exchange Forward [Member]
Derivative [Line Items]
Notional amount of derivative contracts	$ 36.0	$ 24.8	$ 24.6
Cash Flow Hedging [Member] \| Interest Rate Swap [Member]
Derivative [Line Items]
Notional amount of derivative contracts	370.0
Derivative, Fair Value, Net	5.4
Cash Flow Hedging [Member] \| Foreign Exchange Forward [Member]
Derivative [Line Items]
Net unrealized gain on foreign currency derivatives designated as cash flow hedges	$ (0.1)