Consolidated Statements of Operations and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2021
Income Statement [Abstract]
Net sales	$ 5,329,252	$ 4,634,875	$ 3,298,823
Cost of sales (exclusive of depreciation and amortization shown separately below)	3,603,307	3,146,600	2,236,120
Gross profit	1,725,945	1,488,275	1,062,703
Operating expenses:
Selling, general and administrative	1,093,827	950,125	763,629
Depreciation and amortization	126,907	119,232	108,125
Total operating expenses	1,220,734	1,069,357	871,754
Operating income	505,211	418,918	190,949
Other (expense) income:
Interest expense	(65,843)	(58,097)	(53,786)
Gain on legal settlement	0	0	1,382
Write-off of debt discount and deferred financing fees	0	0	(4,606)
Other income, net	8,135	3,998	3,155
Total other expense, net	(57,708)	(54,099)	(53,855)
Income before taxes	447,503	364,819	137,094
Provision for income taxes	114,512	91,377	31,534
Net income	$ 332,991	$ 273,442	$ 105,560
Weighted average common shares outstanding:
Basic (in shares)	41,904	43,075	42,765
Diluted (in shares)	42,592	43,898	43,343
Net income per common share:
Basic (in dollars per share)	$ 7.95	$ 6.35	$ 2.47
Diluted (in dollars per share)	$ 7.82	$ 6.23	$ 2.44
Comprehensive income
Net income	$ 332,991	$ 273,442	$ 105,560
Foreign currency translation gain (loss)	(30,088)	(25,805)	61,341
Changes in other comprehensive income, net of tax	1,002	15,003	8,500
Comprehensive income	$ 303,905	$ 262,640	$ 175,401