Consolidated Statements of Earnings - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Aug. 31, 2022	Aug. 31, 2021
Income Statement [Abstract]
Net sales	$ 1,408,665	$ 1,110,818
Cost of goods sold	1,239,291	891,444
Gross margin	169,374	219,374
Selling, general and administrative expense	103,448	95,851
Impairment of long-lived assets	312
Restructuring and other income, net	(1,100)	(12,274)
Operating income	66,714	135,797
Other income (expense):
Miscellaneous income (expense), net	(5,086)	630
Interest expense	(8,598)	(7,718)
Equity in net income of unconsolidated affiliates	31,712	52,916
Earnings before income taxes	84,742	181,625
Income tax expense	19,498	40,150
Net earnings	65,244	141,475
Net earnings attributable to noncontrolling interests	1,162	8,984
Net earnings attributable to controlling interest	$ 64,082	$ 132,491
Basic
Weighted average common shares outstanding	48,478	50,852
Earnings per share attributable to controlling interest	$ 1.32	$ 2.61
Diluted
Weighted average common shares outstanding	49,238	51,865
Earnings per share attributable to controlling interest	$ 1.30	$ 2.55
Common shares outstanding at end of period	48,526	50,438
Cash dividends declared per share	$ 0.31	$ 0.28