Consolidated Statements of Equity - USD ($) $ in Thousands	Total	Worthington Taylor, LLC	Halo	Common Shares	Additional Paid-in Capital	Additional Paid-in Capital Worthington Taylor, LLC	AOCI Net of Tax	Retained Earnings	Total	Total Worthington Taylor, LLC	Noncontrolling Interests	Noncontrolling Interests Worthington Taylor, LLC	Noncontrolling Interests Halo
Balance at May. 31, 2021	$ 1,551,695				$ 282,790		$ 45,387	$ 1,070,016	$ 1,398,193		$ 153,502
Balance (in shares) at May. 31, 2021				51,330,347
Net earnings	399,264							379,386	379,386		19,878
Other comprehensive income (loss)	(68,237)						(68,237)		(68,237)
Common shares issued, net of withholding tax	(6,280)				(6,280)				(6,280)
Common shares issued, net of withholding tax (in shares)				284,765
Common shares in non-qualified plans	592				592				592
Stock-based compensation	15,672				15,672				15,672
Repurchases and retirement of common shares	$ (180,248)				(17,962)			(162,286)	(180,248)
Repurchases and retirement of common shares (in shares)	3,235,000			(3,235,000)
Purchase of noncontrolling interest in Worthington Taylor, LLC		$ (6,383)				$ (1,373)				$ (1,373)		$ (5,010)
Dividends to noncontrolling interests	$ (35,160)										(35,160)
Cash dividends declared ($1.12 per share in 2022, $1.24 per share in 2023 and $0.96 per share in 2024)	(56,953)							(56,953)	(56,953)
Balance at May. 31, 2022	1,613,962				273,439		(22,850)	1,230,163	1,480,752		133,210
Balance (in shares) at May. 31, 2022				48,380,112
Net earnings	269,170							256,528	256,528		12,642
Other comprehensive income (loss)	(329)						(329)		(329)
Common shares issued, net of withholding tax	(1,780)				(1,780)				(1,780)
Common shares issued, net of withholding tax (in shares)				279,211
Common shares in non-qualified plans	726				726				726
Stock-based compensation	$ 18,414				18,414				18,414
Repurchases and retirement of common shares (in shares)	0
Dividends to noncontrolling interests	$ (20,235)										(20,235)
Cash dividends declared ($1.12 per share in 2022, $1.24 per share in 2023 and $0.96 per share in 2024)	(61,900)							(61,900)	(61,900)
Balance at May. 31, 2023	1,821,628				290,799		(23,179)	1,428,391	1,696,011		125,617
Balance (ASC 842) at May. 31, 2023	3,600							3,600	3,600
Balance (in shares) at May. 31, 2023				48,659,323
Net earnings	117,821							110,624	110,624		7,197
Other comprehensive income (loss)	24,350						24,350		24,350
Common shares issued, net of withholding tax	(11,399)				(11,399)				(11,399)
Common shares issued, net of withholding tax (in shares)				853,614
Common shares in non-qualified plans	417				417				417
Stock-based compensation	19,216				19,216				19,216
Acquisition of Halo			$ 2,397										$ 2,397
Separation of Worthington Steel	$ (1,033,245)						(717)	(901,370)	(902,087)		(131,158)
Repurchases and retirement of common shares (in shares)	0
Dividends to noncontrolling interests	$ (1,920)										(1,920)
Cash dividends declared ($1.12 per share in 2022, $1.24 per share in 2023 and $0.96 per share in 2024)	(48,253)							(48,253)	(48,253)
Balance at May. 31, 2024	$ 891,012				$ 299,033		$ 454	$ 589,392	$ 888,879		$ 2,133
Balance (in shares) at May. 31, 2024				49,512,937