Goodwill And Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2023
Goodwill [Line Items]
Intangible assets	$ 6,000	$ 0
Amortization expense	25,000	$ 25,600	$ 23,700
Current Year Acquisition | Customer Relationships
Goodwill [Line Items]
Intangible assets	$ 5,200
Weighted average useful life	5 years
Current Year Acquisition | Trade Names
Goodwill [Line Items]
Intangible assets	$ 800
Weighted average useful life	2 years