Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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- References

No definition available.

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- Definition

The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=112277219&loc=d3e80748-113994

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- Definition

Period remaining until the derivative contract matures, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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Derivative Financial Instruments (Details Textual) - Foreign Exchange Forward [Member] - Designated as Hedging Instrument [Member] - Cash Flow Hedging [Member] £ in Thousands, $ in Thousands	12 Months Ended
	Mar. 31, 2019 USD ($)	Mar. 31, 2019 GBP (£)	Mar. 31, 2018 USD ($)	Mar. 31, 2018 GBP (£)
Derivative Financial Instruments (Textual)
Principal amount	$ 31,100		$ 18,250
Other comprehensive income (loss) expected to be reclassified, net of tax	$ 291
GBP [Member]
Derivative Financial Instruments (Textual)
Principal amount \| £		£ 0		£ 1,155
Maximum [Member]
Derivative Financial Instruments (Textual)
Outstanding forward contracts maturity	37 months
Minimum [Member]
Derivative Financial Instruments (Textual)
Outstanding forward contracts maturity	1 month