Goodwill and Intangible Assets - Definite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2024	Apr. 30, 2023
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (years)	13 years 1 month 6 days	12 years 9 months 18 days
Gross Carrying Amount	$ 853,069	$ 780,280
Accumulated Amortization	(434,748)	(464,987)
Net Carrying Value	418,321	315,293
Indefinite-lived intangible assets	84,367	84,367
Total intangible assets, net	$ 502,688	$ 399,660
Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives (years)		10 years
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (years)	12 years 9 months 18 days	12 years 4 months 24 days
Gross Carrying Amount	$ 695,411	$ 669,142
Accumulated Amortization	(395,117)	(432,220)
Net Carrying Value	$ 300,294	$ 236,922
Customer relationships | Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives (years)	5 years	5 years
Customer relationships | Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives (years)	15 years	16 years
Definite-lived trade names
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (years)	15 years 4 months 24 days	15 years 7 months 6 days
Gross Carrying Amount	$ 143,267	$ 100,326
Accumulated Amortization	(32,613)	(25,407)
Net Carrying Value	$ 110,654	$ 74,919
Definite-lived trade names | Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives (years)	5 years	5 years
Definite-lived trade names | Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives (years)	20 years	20 years
Vendor agreements
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives (years)	10 years
Weighted Average Amortization Period (years)	10 years	10 years
Gross Carrying Amount	$ 1,000	$ 1,000
Accumulated Amortization	(675)	(575)
Net Carrying Value	$ 325	$ 425
Vendor agreements | Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives (years)		8 years
Vendor agreements | Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives (years)		10 years
Developed technology
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (years)	6 years 10 months 24 days	6 years 10 months 24 days
Gross Carrying Amount	$ 8,249	$ 8,261
Accumulated Amortization	(5,843)	(5,596)
Net Carrying Value	$ 2,406	$ 2,665
Developed technology | Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives (years)	5 years	5 years
Developed technology | Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives (years)	10 years
Other
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (years)	4 years 9 months 18 days	3 years 2 months 12 days
Gross Carrying Amount	$ 5,142	$ 1,551
Accumulated Amortization	(500)	(1,189)
Net Carrying Value	$ 4,642	$ 362
Other | Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives (years)	3 years	3 years
Other | Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives (years)	5 years	5 years