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Derivatives and Hedging Gain (Loss) on Derivatives, Income Statement Location (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Foreign currency forward contracts | Selling, general, and administrative expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in income	$ 223	$ (299)	$ 80	$ (705)
Commodity swap contracts | Cost of revenues
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in income	$ 386	$ 796	$ 751	$ 669

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Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5618551-113959

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