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Income Taxes - Schedule of Valuation Allowance (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2019
Deferred Tax Asset, Valuation Allowance [Roll Forward]
Balance at Beginning of Period	$ 20,951	$ 17,519	$ 15,255
Additions Charged to Expense	8,437	7,494	2,978
Valuation Allowance Reversal	(2,904)	(3,145)	(99)
Business Combination Adjustments	6,384	(688)	1,157
Other	(940)	(229)	(1,772)
Balance at End of Period	$ 31,928	$ 20,951	$ 17,519

X

- Definition

Deferred Tax Asset, Valuation Allowance

+ References

No definition available.

+ Details

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Namespace Prefix:	ens_
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Balance Type:	na
Period Type:	duration

X

- Definition

Valuation Allowance, Deferred Tax Asset, Additions Charged to Expense

+ References

No definition available.

+ Details

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X

- Definition

Valuation Allowance, Deferred Tax Asset, Reversal

+ References

No definition available.

+ Details

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Balance Type:	credit
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X

- Definition

Valuation Allowances, Deferred Tax Asset, Acquisitions

+ References

No definition available.

+ Details

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Namespace Prefix:	ens_
Data Type:	xbrli:monetaryItemType
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X

- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319

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X

- Definition

Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=116821951&loc=d3e32123-109318

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