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Derivatives And Hedging Activities (Narrative) (Details) - USD ($) $ in Millions | 9 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2019 | Mar. 31, 2019 | Dec. 31, 2018
Foreign Exchange Forward [Member] |  |  |
Derivative [Line Items] |  |  |
Notional amount of derivative contracts | $ 33.8 | $ 24.8 | $ 38.7
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 | $ (1.8) |  |

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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 -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959 + Details
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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 + Details
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