Segments - Reconciliation of Net Income to Adjusted EBITDA (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Oct. 31, 2023	Jul. 31, 2023	Oct. 31, 2022	Jul. 31, 2022	Oct. 31, 2023	Oct. 31, 2022
Segment Reporting [Abstract]
Net income	$ 80,957	$ 86,830	$ 103,153	$ 89,470	$ 167,787	$ 192,623
Interest expense	18,742		16,055		37,656	30,716
Write-off of debt discount and deferred financing fees	0		0		1,401	0
Interest income	(292)		(154)		(766)	(210)
Provision for income taxes	27,205		35,995		53,939	68,025
Depreciation expense	16,963		15,058		33,290	30,051
Amortization expense	15,974		17,168		31,665	34,615
Stock appreciation rights	401		3,230		1,619	5,574
Redeemable noncontrolling interests and deferred compensation	184		340		664	835
Equity-based compensation	5,111		3,781		8,415	6,913
Severance and other permitted costs	882		379		1,288	731
Transaction costs (acquisitions and other)	1,223		292		2,608	678
(Gain) loss on disposal of assets	(310)		81		(441)	(203)
Effects of fair value adjustments to inventory	140		135		442	179
Debt transaction costs	378		0		1,289	0
Adjusted EBITDA	$ 167,558		$ 195,513		$ 340,856	$ 370,527