Segments - Reconciliation of Net Income to Adjusted EBITDA (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Jan. 31, 2024	Oct. 31, 2023	Jul. 31, 2023	Jan. 31, 2023	Oct. 31, 2022	Jul. 31, 2022	Jan. 31, 2024	Jan. 31, 2023
Segment Reporting [Abstract]
Net income	$ 51,905	$ 80,957	$ 86,830	$ 64,775	$ 103,153	$ 89,470	$ 219,692	$ 257,398
Interest expense	18,784			16,943			56,440	47,659
Write-off of debt discount and deferred financing fees	0			0			1,401	0
Interest income	(378)			(180)			(1,144)	(390)
Provision for income taxes	17,468			23,697			71,407	91,722
Depreciation expense	17,276			15,162			50,566	45,213
Amortization expense	15,528			16,257			47,193	50,872
Stock appreciation rights	1,789			314			3,408	5,888
Redeemable noncontrolling interests and deferred compensation	461			368			1,125	1,203
Equity-based compensation	3,559			3,285			11,974	10,198
Severance and other permitted costs	1,033			(315)			2,321	416
Transaction costs (acquisitions and other)	765			476			3,373	1,154
(Gain) loss on disposal of assets	(222)			(411)			(663)	(614)
Effects of fair value adjustments to inventory	8			457			450	636
Debt transaction costs	44			0			1,333	0
Adjusted EBITDA	$ 128,020			$ 140,828			$ 468,876	$ 511,355