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Derivatives And Hedging Activities (Effect Of Derivative Financial Instruments On The Consolidated Balance Sheets) (Details) - USD ($) $ in Thousands | Sep. 30, 2017 | Mar. 31, 2017 | Sep. 30, 2016
--- | --- | --- | ---
Derivative [Line Items] |  |  |
Derivatives in a Fair Value Asset Position Designated as Hedging Instruments | $ 1,640 | $ 2,205 | $ 0
Derivatives in a Fair Value Liability Position Designated as Hedging Instruments | 0 | 55 | 11,010
Derivatives in a Fair Value Asset Position Not Designated as Hedging Instruments | 394 | 917 | 140
Derivatives in a Fair Value Liability Position Not Designated as Hedging Instruments | 248 | 120 | 1,554
Interest Rate Swap Agreements [Member] | Other Non-Current Assets [Member] |  |  |
Derivative [Line Items] |  |  |
Derivatives in a Fair Value Asset Position Designated as Hedging Instruments | 1,640 | 2,149 | 0
Interest Rate Swap Agreements [Member] | Other Long-Term Liabilities [Member] |  |  |
Derivative [Line Items] |  |  |
Derivatives in a Fair Value Liability Position Designated as Hedging Instruments | 0 | 0 | 11,010
Forward Foreign Currency Exchange Contract [Member] | Other Current Assets [Member] |  |  |
Derivative [Line Items] |  |  |
Derivatives in a Fair Value Asset Position Designated as Hedging Instruments | 0 | 56 | 0
Derivatives in a Fair Value Asset Position Not Designated as Hedging Instruments | 394 | 917 | 140
Forward Foreign Currency Exchange Contract [Member] | Accounts Payable and Accrued Expenses [Member] |  |  |
Derivative [Line Items] |  |  |
Derivatives in a Fair Value Liability Position Designated as Hedging Instruments | 0 | 55 | 0
Derivatives in a Fair Value Liability Position Not Designated as Hedging Instruments | $ 248 | $ 120 | $ 1,554

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- Definition Aggregate fair value of all derivative assets designated as hedging instruments. Includes instruments designated as cash flow hedges, fair value hedges, and hedges of net investments in foreign operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13433-108611 + Details
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- Definition Aggregate fair value of all derivative liabilities designated as hedging instruments. Includes instruments designated as cash flow hedges, fair value hedges, and hedges of net investments in foreign operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13433-108611 + Details
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- Definition Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as an asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624163-113959 + Details
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