Fair value of the assets less the liabilities of a derivative or group of derivatives.

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Nominal or face amount used to calculate payment on derivative.

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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.

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Derivatives And Hedging Activities (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Feb. 26, 2019
Derivative [Line Items]
Repayments of Lines of Credit	$ 150,000
Loans Payable	150,000
Foreign Exchange Forward [Member]
Derivative [Line Items]
Notional amount of derivative contracts	16,700	$ 16,600	$ 11,800
Cash Flow Hedging [Member] \| Interest Rate Swap [Member]
Derivative [Line Items]
Notional amount of derivative contracts	370,000
Derivative, Fair Value, Net	700			$ 5,400
Cash Flow Hedging [Member] \| Foreign Exchange Forward [Member]
Derivative [Line Items]
Net unrealized gain (loss) on foreign currency derivatives designated as cash flow hedges	$ 7,300