Segments - Net Sales by Major Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Apr. 30, 2025	Jan. 31, 2025	Oct. 31, 2024	Jul. 31, 2024	Apr. 30, 2024	Jan. 31, 2024	Oct. 31, 2023	Jul. 31, 2023	Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2023
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net sales	$ 1,333,796	$ 1,260,710	$ 1,470,776	$ 1,448,456	$ 1,413,029	$ 1,258,348	$ 1,420,930	$ 1,409,600	$ 5,513,738	$ 5,501,907	$ 5,329,252
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net sales									4,736,710	4,815,044	4,676,558
Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net sales									$ 777,028	$ 686,863	$ 652,694