Consolidated Statements of Earnings - USD ($) shares in Thousands	3 Months Ended		9 Months Ended
	Feb. 28, 2023	Feb. 28, 2022	Feb. 28, 2023	Feb. 28, 2022
Income Statement [Abstract]
Net sales	$ 1,103,322,000	$ 1,378,235,000	$ 3,687,528,000	$ 3,721,914,000
Cost of goods sold	959,515,000	1,235,107,000	3,268,584,000	3,174,821,000
Gross margin	143,807,000	143,128,000	418,944,000	547,093,000
Selling, general and administrative expense	106,057,000	102,945,000	317,318,000	294,926,000
Impairment of long-lived assets	484,000	3,076,000	796,000	3,076,000
Restructuring and other expense (income), net	824,000	(504,000)	(4,558,000)	(14,782,000)
Separation costs	6,347,000		15,593,000
Operating income	30,095,000	37,611,000	89,795,000	263,873,000
Other income (expense):
Miscellaneous income (expense), net	1,327,000	393,000	(2,354,000)	2,063,000
Interest expense, net	(6,035,000)	(8,140,000)	(22,245,000)	(23,170,000)
Equity in net income of unconsolidated affiliates	36,926,000	47,466,000	105,495,000	160,600,000
Earnings before income taxes	62,313,000	77,330,000	170,691,000	403,366,000
Income tax expense	12,055,000	18,683,000	35,684,000	90,059,000
Net earnings	50,258,000	58,647,000	135,007,000	313,307,000
Net earnings attributable to noncontrolling interests	3,933,000	2,305,000	8,382,000	14,173,000
Net earnings attributable to controlling interest	$ 46,325,000	$ 56,342,000	$ 126,625,000	$ 299,134,000
Basic
Weighted average common shares outstanding	48,587	49,749	48,541	50,331
Earnings per share attributable to controlling interest	$ 0.95	$ 1.13	$ 2.61	$ 5.94
Diluted
Weighted average common shares outstanding	49,493	50,641	49,356	51,275
Earnings per share attributable to controlling interest	$ 0.94	$ 1.11	$ 2.57	$ 5.83
Common shares outstanding at end of period	48,619	49,364	48,619	49,364
Cash dividends declared per share	$ 0.31	$ 0.28	$ 0.93	$ 0.84