Derivatives (Effect of Interest Rate Contracts on the Statement of Operations) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
The effect of interest rate contracts on the statement of operations:
Loss recognized in income on interest rate contracts	$ 1	$ 156	$ 4	$ 672
(Gain) loss recognized in AOCI on interest rate contracts (effective portion)	$ 1,206	$ (286)
Loss reclassified from AOCI into income (effective portion)			$ (321)	$ (645)

No definition available.

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- Definition

The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

+ References

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- Definition

Amount of decrease in the fair value of derivatives recognized in the income statement.

+ References

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- Definition

Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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