Segments - Net Sales by Major Geographic Area (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
Revenues from External Customers and Long-Lived Assets [Line Items]
Total 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
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net sales									4,815,044	4,676,558	3,993,717
Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net sales									$ 686,863	$ 652,694	$ 641,158