Goodwill and Intangible Assets - Schedule of Tax Deductible Goodwill from Acquisitions (Details) - USD ($) $ in Thousands	Apr. 30, 2024	Apr. 30, 2023
Business Combination Segment Allocation [Line Items]
Tax deductible goodwill	$ 186,214	$ 200,615
PIVOT Leadership
Business Combination Segment Allocation [Line Items]
Tax deductible goodwill	4,497	5,182
Miller Heiman
Business Combination Segment Allocation [Line Items]
Tax deductible goodwill	14,852	16,266
ICS
Business Combination Segment Allocation [Line Items]
Tax deductible goodwill	60,339	64,893
Salo
Business Combination Segment Allocation [Line Items]
Tax deductible goodwill	$ 106,526	$ 114,274