Segments - Schedule of Depreciation and Amortization By Reportable Segments (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2026	Apr. 30, 2025	Apr. 30, 2024
Segment Reporting Information [Line Items]
Total depreciation and amortization	$ 98,844	$ 80,287	$ 77,966
Operating Segments \| Consulting
Segment Reporting Information [Line Items]
Total depreciation and amortization	14,168	16,134	16,822
Operating Segments \| Digital
Segment Reporting Information [Line Items]
Total depreciation and amortization	54,187	34,954	32,248
Operating Segments \| North America
Segment Reporting Information [Line Items]
Total depreciation and amortization	1,430	1,416	1,774
Operating Segments \| EMEA
Segment Reporting Information [Line Items]
Total depreciation and amortization	2,364	1,935	1,726
Operating Segments \| Asia Pacific
Segment Reporting Information [Line Items]
Total depreciation and amortization	954	910	904
Operating Segments \| Latin America
Segment Reporting Information [Line Items]
Total depreciation and amortization	1,305	964	1,053
Operating Segments \| Professional Search & Interim
Segment Reporting Information [Line Items]
Total depreciation and amortization	11,856	12,337	12,950
Operating Segments \| RPO
Segment Reporting Information [Line Items]
Total depreciation and amortization	4,258	3,317	2,863
Corporate
Segment Reporting Information [Line Items]
Total depreciation and amortization	$ 8,322	$ 8,320	$ 7,626