Consolidated Statements of Earnings - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Aug. 31, 2023	Aug. 31, 2022
Income Statement [Abstract]
Net sales	$ 1,193,256	$ 1,408,665
Cost of goods sold	995,767	1,239,291
Gross margin	197,489	169,374
Selling, general and administrative expense	112,348	103,448
Impairment of long-lived assets	1,401	312
Restructuring and other income, net		(1,100)
Separation costs	6,035
Operating income	77,705	66,714
Other income (expense):
Miscellaneous income (expense), net	1,011	(5,086)
Loss on extinguishment of debt	(1,534)
Interest expense, net	(3,083)	(8,598)
Equity in net income of unconsolidated affiliates	54,381	31,712
Earnings before income taxes	128,480	84,742
Income tax expense	28,777	19,498
Net earnings	99,703	65,244
Net earnings attributable to noncontrolling interests	3,597	1,162
Net earnings attributable to controlling interest	$ 96,106	$ 64,082
Basic
Weighted average common shares outstanding	48,842	48,478
Earnings per common share attributable to controlling interest	$ 1.97	$ 1.32
Diluted
Weighted average common shares outstanding	49,886	49,238
Earnings per common share attributable to controlling interest	$ 1.93	$ 1.3
Common shares outstanding at end of period	48,951	48,526
Cash dividends declared per share	$ 0.32	$ 0.31