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Investments in Unconsolidated Affiliates - Additional Information (Detail) - USD ($) $ in Thousands		3 Months Ended	6 Months Ended
	Aug. 03, 2022	Nov. 30, 2023	Nov. 30, 2023	Nov. 30, 2022	May 31, 2023	Aug. 31, 2022
Investments in and Advances to Affiliates [Line Items]
Distributions from unconsolidated affiliates			$ 104,008
Investments in unconsolidated affiliates		$ 247,421	247,421		$ 252,591
Dividends received from investing activity		$ 1,085	$ 1,085
Pre-tax loss on sale of equity				$ (15,759)
ArtiFlex
Investments in and Advances to Affiliates [Line Items]
Percent of ownership interest held in unconsolidated affiliates		50.00%	50.00%			50.00%
Equity method investment sold amount after adjustments for closing debt and final net working capital	$ 36,095
Pre-tax loss on sale of equity	$ (15,759)
ClarkDietrich
Investments in and Advances to Affiliates [Line Items]
Percent of ownership interest held in unconsolidated affiliates		25.00%	25.00%
Workhorse
Investments in and Advances to Affiliates [Line Items]
Percent of ownership interest held in unconsolidated affiliates		20.00%	20.00%
Workhorse \| Brazil
Investments in and Advances to Affiliates [Line Items]
Gain (Loss) on investments		$ 2,780
Serviacero Worthington
Investments in and Advances to Affiliates [Line Items]
Percent of ownership interest held in unconsolidated affiliates		50.00%	50.00%
WAVE
Investments in and Advances to Affiliates [Line Items]
Percent of ownership interest held in unconsolidated affiliates		50.00%	50.00%
Investments in unconsolidated affiliates		$ 118,465	$ 118,465		$ 117,297
Dividends received from investing activity		$ 1,085