Valuation and Qualifying Accounts and Reserves (Schedule II) (Detail) - USD ($) $ in Thousands		12 Months Ended
		May 31, 2024	May 31, 2023	May 31, 2022
Accrued Product Liability Reserves, Current
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period		$ 16,995	$ 16,003	$ 18,297
Additions Charged to Expense		19,991	10,056	8,358
Acquisitions (Disposals) of Businesses and Reclassifications			76
(Deductions) Additions	[1]	(13,633)	(9,140)	(10,652)
Balance at End of Period		23,353	16,995	16,003
Accrued Environmental Reserves, Current
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period		1,027	1,055	1,329
Additions Charged to Expense		380	932	674
Acquisitions (Disposals) of Businesses and Reclassifications		325
(Deductions) Additions	[1]	(584)	(960)	(948)
Balance at End of Period		1,148	1,027	1,055
Accrued Product Liability Reserves, Noncurrent
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period		22,849	26,226	26,614
Additions Charged to Expense		8,803	3,055	10,760
(Deductions) Additions	[1]	(6,363)	(6,432)	(11,148)
Balance at End of Period		25,289	22,849	26,226
Accrued Environmental Reserves, Noncurrent
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period		6,173	6,254	6,267
Additions Charged to Expense		582	271	318
Acquisitions (Disposals) of Businesses and Reclassifications		(325)
(Deductions) Additions		(3,856)	(352)	(331)
Balance at End of Period		2,574	6,173	6,254
Allowance For Credit Loss Current
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period		49,482	46,669	55,922
Additions Charged to Expense		18,375	13,557	4,326
(Deductions) Additions	[2]	(19,094)	(10,744)	(13,579)
Balance at End of Period		$ 48,763	$ 49,482	$ 46,669

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

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