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Unrecognized Tax Benefits - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2021	Jul. 31, 2020	Apr. 30, 2021
Income Tax Disclosure [Abstract]
Unrecognized tax benefits	$ 10,403		$ 9,316
Unrecognized tax benefits that would impact effective tax rate	8,218
Accrued interest and penalties related to unrecognized tax benefits	421		$ 370
Net interest and penalties included in income tax expense	51	$ 66
Expected decrease in unrecognized tax benefits	$ 2,000

X

- Definition

Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (d)(3)
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The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)
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Amount of unrecognized tax benefits.

+ References

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

+ References

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

+ References

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