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Stockholders' Equity - Summary of Activity for Unvested RSUs and PSUs (Detail) - $ / shares	12 Months Ended
	Apr. 30, 2026	Apr. 30, 2025	Apr. 30, 2024
Summary of activity in unvested restricted stock units and performance share units
RSUs and PSUs, Forfeited		(38,521)
RSUs and PSUs
Summary of activity in unvested restricted stock units and performance share units
RSUs and PSUs outstanding, beginning of period	1,204,133	1,000,347	932,705
RSUs and PSUs, Awarded	841,027	629,773	533,940
RSUs and PSUs, Released	(390,259)	(287,929)	(283,813)	[1]
RSUs and PSUs, Forfeited	(173,199)	(138,058)	(182,485)
RSUs and PSUs outstanding, end of period	1,481,702	1,204,133	1,000,347
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Weighted Average Grant Date Fair Value, RSUs and PSUs outstanding, beginning of period	$ 14.21	$ 13.45	$ 13.14
Weighted Average Grant Date Fair Value, Awarded	9.38	15.6	12.07
Weighted Average Grant Date Fair Value, Released	14.07	13.18	11.54
Weighted Average Grant Date Fair Value, Forfeited	13.22	17.01	10.83
Weighted Average Grant Date Fair Value, RSUs and PSUs outstanding, end of period	$ 11.62	$ 14.21	$ 13.45
[1] Includes 55,726 PSUs that vested during fiscal 2023.

X

- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(03)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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-Section 50
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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-SubTopic 10
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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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