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Accumulated Other Comprehensive Income (Loss) - Schedule of Before Tax Income (Loss) Related Income Tax effect and Accumulated Balances (Detail) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2026	Apr. 30, 2025
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 64,457	$ 54,760
Foreign currency translation adjustments	(811)	(421)
Ending balance	74,718	64,457
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(3,803)	(3,382)
Foreign currency translation adjustment	(811)	(421)
Ending balance	(4,614)	(3,803)
Foreign Currency Translation Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(3,803)	(3,382)
Ending balance	$ (4,614)	$ (3,803)

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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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Amount before tax, after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest.

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