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

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-Publisher FASB
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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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount before 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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Derivative Instruments (Pretax effect of derivative instruments on the condensed consolidated 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
Designated as Hedging Instrument \| Foreign exchange contracts
Derivatives, Fair Value [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	$ 49	$ (103)	$ 49	$ (197)
Designated as Hedging Instrument \| Foreign exchange contracts \| Cost of products sold
Derivatives, Fair Value [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	7	(2)	8	(100)
Designated as Hedging Instrument \| Interest Rate Swap [Member] \| Cost of products sold
Derivatives, Fair Value [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	(313)	492	(1,726)	1,367
Designated as Hedging Instrument \| Interest Rate Swap [Member] \| Interest Expense [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	112	130	359	248
Designated as Hedging Instrument \| Cross Currency Interest Rate Contract [Member] \| Cost of products sold
Derivatives, Fair Value [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	6,605	634	5,604	9,647
Designated as Hedging Instrument \| Cross Currency Interest Rate Contract [Member] \| Foreign currency exchange (gain) loss
Derivatives, Fair Value [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	6,428	1,438	4,524	11,377
Derivatives Not Designated as Hedging Instruments \| Foreign exchange contracts \| Foreign currency exchange (gain) loss
Derivatives, Fair Value [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ (42)	$ (41)	$ (7)	$ (7)