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Derivatives And Hedging Activities (Narrative) (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2024 | Mar. 31, 2023 | Mar. 31, 2024 | Sep. 30, 2023
Foreign Exchange Forward [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Notional amount of derivative contracts | $ 88,500 |  | $ 20,900 | $ 101,100
Cash Flow Hedging [Member] | Interest Rate Swap [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Notional amount of derivative contracts | 310,000 | $ 370,000 |  |
Proceeds from termination of interest rate swap agreements |  | $ 11,800 |  |
Cash Flow Hedging [Member] | Foreign Exchange Forward [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Net unrealized gain (loss) on foreign currency derivatives designated as cash flow hedges | $ (3,300) |  |  |

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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/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4C -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4C Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A + Details
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