Investments in Unconsolidated Affiliates - Schedule of Combined Financial Information for Unconsolidated Affiliates (Detail) - USD ($) $ in Thousands	3 Months Ended
	Aug. 31, 2023	Aug. 31, 2022	May 31, 2023
Investments in and Advances to Affiliates [Line Items]
Cash and cash equivalents	$ 201,009		$ 454,946
Total assets	3,476,692		3,650,918
Current liabilities	868,939		717,558
Short-term borrowings			2,813
Current maturities of long-term debt	150,268		264
Long-term debt	298,083		689,718
Other noncurrent liabilities	109,840		113,286
Equity	1,774,623		1,696,011
Total liabilities and equity	3,476,692		3,650,918
Net sales	1,193,256	$ 1,408,665
Gross margin	197,489	169,374
Operating income	77,705	66,714
Depreciation and amortization	28,325	28,001
Income tax expense	28,777	19,498
Net earnings	99,703	65,244
Equity Method Investment, Nonconsolidated Investee, Other
Investments in and Advances to Affiliates [Line Items]
Cash and cash equivalents	45,766		49,185
Other current assets	862,913		899,913
Noncurrent assets	390,681		394,468
Total assets	1,299,360		1,343,566
Current liabilities	309,692		247,796
Current maturities of long-term debt	32,151		36,936
Long-term debt	348,269		349,215
Other noncurrent liabilities	141,328		144,649
Equity	467,920		564,970
Total liabilities and equity	1,299,360		$ 1,343,566
Net sales	720,433	823,942
Gross margin	194,308	181,405
Operating income	149,409	137,827
Depreciation and amortization	8,643	8,188
Interest expense	5,739	2,680
Income tax expense	1,646	2,110
Net earnings	$ 143,566	$ 133,238