Valuation and Qualifying Accounts and Reserves (Schedule II) (Detail) - USD ($) $ in Thousands		12 Months Ended
		May 31, 2023	May 31, 2022	May 31, 2021
Accrued Product Liability Reserves, Current
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period		$ 16,003	$ 18,297	$ 10,458
Additions Charged to Selling, General and Administrative		10,056	8,358	14,173
Acquisitions (Disposals) of Businesses and Reclassifications		76
(Deductions) Additions	[1]	9,140	(10,652)	(6,334)
Balance at End of Period		16,995	16,003	18,297
Accrued Environmental Reserves, Current
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period		1,055	1,329	1,970
Additions Charged to Selling, General and Administrative		932	674	1,045
(Deductions) Additions	[1]	(960)	(948)	(1,686)
Balance at End of Period		1,027	1,055	1,329
Accrued Product Liability Reserves, Noncurrent
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period		26,226	26,614	27,016
Additions Charged to Selling, General and Administrative		3,055	10,760	15,366
(Deductions) Additions	[1]	(6,432)	(11,148)	(15,768)
Balance at End of Period		22,849	26,226	26,614
Accrued Environmental Reserves, Noncurrent
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period		6,254	6,267	4,125
Additions Charged to Selling, General and Administrative		271	318	1,918
(Deductions) Additions		(352)	(331)	224
Balance at End of Period		6,173	6,254	6,267
Allowance For Credit Loss Current
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period		46,669	55,922	55,847
Additions Charged to Selling, General and Administrative		13,557	4,326	10,044
(Deductions) Additions	[2]	(10,744)	(13,579)	(9,969)
Balance at End of Period		$ 49,482	$ 46,669	$ 55,922

[1] Primarily claims paid during the year, net of insurance contributions.

[2] Uncollectible accounts written off, net of recoveries.