Investments in Unconsolidated Affiliates - Schedule of Combined Financial Information for Unconsolidated Affiliates (Detail) - USD ($) $ in Thousands	May 31, 2024	May 31, 2023
Investments in and Advances to Affiliates [Line Items]
Cash and cash equivalents	$ 244,225	$ 422,268
Total assets	1,638,637	3,650,918
Current liabilities	178,376	717,558
Current maturities of long-term debt		264
Long-term debt	298,133	689,718
Other noncurrent liabilities	62,243	71,766
Equity	888,879	1,696,011
Total liabilities and equity	1,638,637	3,650,918
Equity Method Investment, Nonconsolidated Investee, Other
Investments in and Advances to Affiliates [Line Items]
Cash and cash equivalents	36,163	36,988
Other current assets	605,043	661,700
Noncurrent assets	360,261	335,567
Total assets	1,001,467	1,034,255
Current liabilities	264,963	176,959
Current maturities of long-term debt	13,450	36,936
Long-term debt	349,431	349,215
Other noncurrent liabilities	146,984	139,228
Equity	226,639	331,917
Total liabilities and equity	$ 1,001,467	$ 1,034,255