Goodwill and Intangible Assets - Definite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jul. 31, 2024	Apr. 30, 2024
Intangible assets
Weighted Average Amortization Period	13 years	13 years 1 month 6 days
Gross Carrying Amount	$ 921,021	$ 853,069
Accumulated Amortization	(452,047)	(434,748)
Total	468,974	418,321
Indefinite-lived intangible assets	84,367	84,367
Total intangible assets, net	$ 553,341	$ 502,688
Customer relationships
Intangible assets
Weighted Average Amortization Period	12 years 8 months 12 days	12 years 9 months 18 days
Gross Carrying Amount	$ 754,057	$ 695,411
Accumulated Amortization	(409,734)	(395,117)
Total	$ 344,323	$ 300,294
Customer relationships | Minimum
Intangible assets
Estimated Useful Lives (years)	5 years	5 years
Customer relationships | Maximum
Intangible assets
Estimated Useful Lives (years)	15 years	15 years
Definite-lived trade names
Intangible assets
Weighted Average Amortization Period	15 years 4 months 24 days	15 years 4 months 24 days
Gross Carrying Amount	$ 151,586	$ 143,267
Accumulated Amortization	(34,924)	(32,613)
Total	$ 116,662	$ 110,654
Definite-lived trade names | Minimum
Intangible assets
Estimated Useful Lives (years)	5 years	5 years
Definite-lived trade names | Maximum
Intangible assets
Estimated Useful Lives (years)	20 years	20 years
Developed technology
Intangible assets
Weighted Average Amortization Period	6 years 10 months 24 days	6 years 10 months 24 days
Gross Carrying Amount	$ 8,209	$ 8,249
Accumulated Amortization	(5,882)	(5,843)
Total	$ 2,327	$ 2,406
Developed technology | Minimum
Intangible assets
Estimated Useful Lives (years)	5 years	5 years
Developed technology | Maximum
Intangible assets
Estimated Useful Lives (years)	10 years	10 years
Other
Intangible assets
Weighted Average Amortization Period	5 years 7 months 6 days	5 years 7 months 6 days
Gross Carrying Amount	$ 7,169	$ 6,142
Accumulated Amortization	(1,507)	(1,175)
Total	$ 5,662	$ 4,967
Other | Minimum
Intangible assets
Estimated Useful Lives (years)	3 years	3 years
Other | Maximum
Intangible assets
Estimated Useful Lives (years)	10 years	10 years