Segments - Net Sales by Major Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2022	Jan. 31, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net sales	$ 1,153,595	$ 751,191	$ 3,346,222	$ 2,366,620
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net sales	1,016,425	637,568	2,867,318	2,001,020
Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net sales	$ 137,170	$ 113,623	$ 478,904	$ 365,600