Segments - Reconciliation of Net Income to Adjusted EBITDA (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2022	Jul. 31, 2021
Segment Reporting [Abstract]
Net income	$ 89,470	$ 61,202
Interest expense	14,661	13,657
Interest income	(56)	0
Provision for income taxes	32,030	19,971
Depreciation expense	14,993	12,925
Amortization expense	17,447	14,789
Stock appreciation rights	2,344	892
Redeemable noncontrolling interests and deferred compensation	495	310
Equity-based compensation	3,132	1,958
Severance and other permitted costs	352	147
Transaction costs (acquisitions and other)	386	575
Gain on disposal of assets	(284)	(78)
Effects of fair value adjustments to inventory	44	1,731
Adjusted EBITDA	$ 175,014	$ 128,079