Goodwill and Intangible Assets - Definite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Oct. 31, 2024	Apr. 30, 2024
Intangible assets
Weighted Average Amortization Period	12 years 10 months 24 days	13 years 1 month 6 days
Gross Carrying Amount	$ 950,193	$ 853,069
Accumulated Amortization	(472,137)	(434,748)
Total	478,056	418,321
Indefinite-lived intangible assets	84,367	84,367
Total intangible assets, net	$ 562,423	$ 502,688
Customer relationships
Intangible assets
Weighted Average Amortization Period	12 years 6 months	12 years 9 months 18 days
Gross Carrying Amount	$ 778,033	$ 695,411
Accumulated Amortization	(426,937)	(395,117)
Total	$ 351,096	$ 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	$ 155,881	$ 143,267
Accumulated Amortization	(37,386)	(32,613)
Total	$ 118,495	$ 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	$ 8,216	$ 8,249
Accumulated Amortization	(5,928)	(5,843)
Total	$ 2,288	$ 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 6 months	5 years 7 months 6 days
Gross Carrying Amount	$ 8,063	$ 6,142
Accumulated Amortization	(1,886)	(1,175)
Total	$ 6,177	$ 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