Segments - Net Sales, Adjusted EBITDA and Certain Other Measures (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Apr. 30, 2024	Jan. 31, 2024	Oct. 31, 2023	Jul. 31, 2023	Apr. 30, 2023	Jan. 31, 2023	Oct. 31, 2022	Jul. 31, 2022	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2022
Segment Reporting Information [Line Items]
Net sales	$ 1,413,029	$ 1,258,348	$ 1,420,930	$ 1,409,600	$ 1,304,102	$ 1,234,618	$ 1,430,979	$ 1,359,553	$ 5,501,907	$ 5,329,252	$ 4,634,875
Gross Profit	451,198	$ 414,720	$ 458,629	$ 450,554	424,476	$ 402,248	$ 464,500	$ 434,721	1,775,101	1,725,945	1,488,275
Depreciation and Amortization									133,362	126,907	119,232
Adjusted EBITDA									615,454	665,696	566,921
Total Assets	3,759,840				3,267,008				3,759,840	3,267,008	3,104,399
Geographic divisions
Segment Reporting Information [Line Items]
Net sales									5,374,474	5,200,268	4,559,477
Gross Profit									1,708,593	1,651,579	1,451,748
Depreciation and Amortization									118,548	109,872	111,452
Adjusted EBITDA									598,540	635,415	551,200
Total Assets	3,449,392				2,954,222				3,449,392	2,954,222	2,809,394
Other
Segment Reporting Information [Line Items]
Net sales									127,433	128,984	75,398
Gross Profit									66,508	74,366	36,527
Depreciation and Amortization									14,481	16,637	6,120
Adjusted EBITDA									16,914	30,281	15,721
Total Assets	307,011				309,090				307,011	309,090	290,341
Corporate
Segment Reporting Information [Line Items]
Net sales									0	0	0
Gross Profit									0	0	0
Depreciation and Amortization									333	398	1,660
Adjusted EBITDA									0	0	0
Total Assets	$ 3,437				$ 3,696				$ 3,437	$ 3,696	$ 4,664