Consolidated Statements of Earnings - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Nov. 30, 2024	Nov. 30, 2023	Nov. 30, 2024	Nov. 30, 2023
Income Statement [Abstract]
Net sales	$ 274,046	$ 298,229	$ 531,354	$ 610,147
Cost of goods sold	199,987	234,951	394,800	477,239
Gross profit	74,059	63,278	136,554	132,908
Selling, general and administrative expense	67,918	70,583	133,954	145,128
Restructuring and other expense, net	2,620	6	3,778	6
Separation costs		7,056		9,466
Operating income (loss)	3,521	(14,367)	(1,178)	(21,692)
Other income (expense):
Miscellaneous income, net	65	714	551	1,013
Loss on extinguishment of debt				(1,534)
Interest expense, net	(1,033)	(472)	(1,522)	(1,546)
Equity in net income of unconsolidated affiliates	34,556	38,668	70,048	84,092
Earnings before income taxes	37,109	24,543	67,899	60,333
Income tax expense	9,100	6,609	15,882	15,569
Net earnings from continuing operations	28,009	17,934	52,017	44,764
Net earnings from discontinued operations		10,233		83,106
Net earnings	28,009	28,167	52,017	127,870
Net earnings (loss) attributable to noncontrolling interests	(251)	3,865	(496)	7,461
Net earnings attributable to controlling interest	28,260	24,302	52,513	120,409
Amounts attributable to controlling interest:
Net earnings from continuing operations	28,260	17,934	52,513	44,764
Net earnings from discontinued operations		6,368		75,645
Net earnings attributable to controlling interest	$ 28,260	$ 24,302	$ 52,513	$ 120,409
Earnings per share from continuing operations - basic	$ 0.57	$ 0.36	$ 1.06	$ 0.91
Earnings per share from discontinued operations - basic		0.13		1.55
Net earnings per share attributable to controlling interest - basic	0.57	0.49	1.06	2.46
Earnings per share from continuing operations - diluted	0.56	0.36	1.04	0.89
Earnings per share from discontinued operations - diluted		0.13		1.51
Net earnings per share attributable to controlling interest - diluted	$ 0.56	$ 0.49	$ 1.04	$ 2.4
Weighted average common shares outstanding - basic	49,464	49,186	49,475	49,013
Weighted average common shares outstanding - diluted	50,138	50,042	50,264	50,102
Cash dividends declared per common share	$ 0.17	$ 0.32	$ 0.34	$ 0.64