Goodwill and Intangible Assets - Definite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2023	Apr. 30, 2022
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (years)	12 years 9 months 18 days	12 years 9 months 18 days
Gross Carrying Amount	$ 780,280	$ 777,703
Accumulated Amortization	(464,987)	(407,323)
Net Carrying Value	315,293	370,380
Indefinite-lived intangible assets	84,367	84,367
Total intangible assets, net	$ 399,660	$ 454,747
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (years)	12 years 4 months 24 days	12 years 6 months
Gross Carrying Amount	$ 669,142	$ 669,018
Accumulated Amortization	(432,220)	(381,650)
Net Carrying Value	$ 236,922	$ 287,368
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)	16 years	16 years
Definite-lived tradenames
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (years)	15 years 7 months 6 days	15 years 7 months 6 days
Gross Carrying Amount	$ 100,326	$ 97,453
Accumulated Amortization	(25,407)	(19,496)
Net Carrying Value	$ 74,919	$ 77,957
Definite-lived tradenames | Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives (years)	5 years	5 years
Definite-lived tradenames | Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives (years)	20 years	20 years
Vendor agreements
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (years)	10 years	10 years
Gross Carrying Amount	$ 1,000	$ 1,000
Accumulated Amortization	(575)	(475)
Net Carrying Value	$ 425	$ 525
Vendor agreements | Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives (years)	8 years	8 years
Vendor agreements | Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives (years)	10 years	10 years
Developed technology
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives (years)		5 years
Weighted Average Amortization Period (years)	6 years 10 months 24 days	6 years 9 months 18 days
Gross Carrying Amount	$ 8,261	$ 8,471
Accumulated Amortization	(5,596)	(4,462)
Net Carrying Value	$ 2,665	$ 4,009
Developed technology | Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives (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)	3 years 2 months 12 days	3 years 7 months 6 days
Gross Carrying Amount	$ 1,551	$ 1,761
Accumulated Amortization	(1,189)	(1,240)
Net Carrying Value	$ 362	$ 521
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