Consolidated Statements of Earnings - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Nov. 30, 2023	Nov. 30, 2022	Nov. 30, 2023	Nov. 30, 2022
Income Statement [Abstract]
Net sales	$ 1,086,918	$ 1,175,541	$ 2,280,174	$ 2,584,206
Cost of goods sold	963,204	1,069,778	1,958,971	2,309,069
Gross margin	123,714	105,763	321,203	275,137
Selling, general and administrative expense	107,688	107,813	220,036	211,261
Impairment of long-lived assets			1,401	312
Restructuring and other expense (income), net	6	(4,282)	6	(5,382)
Separation costs	21,952	9,246	27,987	9,246
Operating income (loss)	(5,932)	(7,014)	71,773	59,700
Other income (expense):
Miscellaneous income (expense), net	1,020	1,405	2,031	(3,681)
Loss on extinguishment of debt			(1,534)
Interest expense, net	(2,169)	(7,612)	(5,252)	(16,210)
Equity in net income of unconsolidated affiliates	42,446	36,857	96,827	68,569
Earnings before income taxes	35,365	23,636	163,845	108,378
Income tax expense	7,198	4,131	35,975	23,629
Net earnings	28,167	19,505	127,870	84,749
Net earnings attributable to noncontrolling interests	3,865	3,287	7,461	4,449
Net earnings attributable to controlling interest	$ 24,302	$ 16,218	$ 120,409	$ 80,300
Basic
Weighted average common shares outstanding	49,186	48,558	49,013	48,518
Earnings per common share attributable to controlling interest	$ 0.49	$ 0.33	$ 2.46	$ 1.66
Diluted
Weighted average common shares outstanding	50,042	49,330	50,102	49,293
Earnings per common share attributable to controlling interest	$ 0.49	$ 0.33	$ 2.4	$ 1.63
Common shares outstanding at end of period	49,287	48,572	49,287	48,572
Cash dividends declared per common share	$ 0.32	$ 0.31	$ 0.64	$ 0.62